twin deutsch

Übersetzung im Kontext von „Twin.“ in Englisch-Deutsch von Reverso Context: twin, twin beds, twin-wire, twin-screw, twin towers. twin Übersetzung, Englisch - Deutsch Wörterbuch, Siehe auch 'twin beds',twin bill ',twin brother',twin carburettors'. Englisch-Deutsch-Übersetzungen für twin im Online-Wörterbuch mariellazoppi.eu ( Deutschwörterbuch). My parents gave me a gift, a twin. Das redaktionell gepflegte PONS Online-Wörterbuch, die Textübersetzung und jetzt auch eine Datenbank mit mehreren hundert Millionen von authentischen Übersetzungen aus dem Internet, die verdeutlichen, wie ein Ausdruck in der Fremdsprache tatsächlich verwendet wird. English Those are the twin pillars that support our bets.gg code objectives. In welchem Forum wollen Sie eine neue Anfrage starten? Adjektiv und Adverb III. Diese Beispiele können umgangssprachliche Wörter, die auf der Grundlage Ihrer Suchergebnis enthalten. Daphne pontica Letzter Beitrag: December Shift work and metabolic disorders A German-Danish co-operation project investigates twins In Ihrem Browser ist Javascript deaktiviert. Wie gefällt Ihnen das Online Wörterbuch? Senden Sie uns gern einen neuen Eintrag. Weitere Übersetzungen im bab. The Black Brother and the Lonely Twin. Die Forscher haben die Daten von Untersuchungen an Pima-Indianern — einem Stamm nordamerikanischer Ureinwohner, die häufig unter Übergewicht leiden — sowie eineiigen Zwillingen ausgewertet.. Sogar wenn sie bei der Geburt getrennt wurden, haben eineiige Zwillinge ähnliche Vorlieben, Angewohnheiten und Lebenserfahrungen.. Ja, in dem Knoten Fehlt eine Übersetzung, ist Ihnen ein Fehler aufgefallen oder wollen Sie uns einfach mal loben? Wachstum und Stabilität sind Zwillingssäulen. Füllen Sie bitte das Feedback-Formular aus.

deutsch twin - was

Für diese Funktion ist es erforderlich, sich anzumelden oder sich kostenlos zu registrieren. Britisches Englisch Amerikanisches Englisch twin-cylinder engine. Im Jahr kehrten sie mit der Platte Kid A zurück, einem gedämpfteren, elektronischen Album das lyrische und musikalische Aufhänger ihrer früheren Werke durch einen minimalistischeren Stil ersetzte, sowie einem Arrangement vergleichbar einer Mischung aus Pink Floyd und Apex Twin. Living Abroad Magazin Praktikum. During the day we will be working on a modern catamaran boat see boat. Britisches Englisch Amerikanisches Englisch name twin. Orthographisch ähnliche Wörter tain , thin , tin , tine , ting , tint , tiny , Town , town , twain , twig , twine , twink , wain , whin , Wien , win , wind , Wine , wine , Wing , wing , wink , wino Tein , Twen , Wein , Wien , Wind , Wink. Unless I've got an evil twin. In welchem Forum wollen Sie eine neue Anfrage starten?

Studies show that there is a genetic proclivity for dizygotic twinning. However, it is only the mother who has any effect on the chances of having such twins; there is no known mechanism for a father to cause the release of more than one ovum.

Dizygotic twinning ranges from six per thousand births in Japan similar to the rate of monozygotic twins to 14 and more per thousand in some African countries.

Dizygotic twins are also more common for older mothers, with twinning rates doubling in mothers over the age of Monozygotic MZ or identical twins occur when a single egg is fertilized to form one zygote hence, "monozygotic" which then divides into two separate embryos.

Eventually, two separate fetuses develop. Monozygotic twins may also be created artificially by embryo splitting. It can be used as an expansion of in vitro fertilization IVF to increase the number of available embryos for embryo transfer.

Monozygotic twinning occurs in birthing at a rate of about 3 in every deliveries worldwide. The likelihood of a single fertilization resulting in monozygotic twins is uniformly distributed in all populations around the world.

IVF techniques are more likely to create dizygotic twins. For IVF deliveries, there are nearly 21 pairs of twins for every 1, Monozygotic twins are genetically nearly identical and they are always the same sex unless there has been a mutation during development.

The children of monozygotic twins test genetically as half-siblings or full siblings, if a pair of monozygotic twins reproduces with another pair or with the same person , rather than first cousins.

Identical twins do not have the same fingerprints however, because even within the confines of the womb, the fetuses touch different parts of their environment, giving rise to small variations in their corresponding prints and thus making them unique.

Monozygotic twins always have the same phenotype. Normally due to an environmental factor or the deactivation of different X chromosomes in female monozygotic twins, and in some extremely rare cases, due to aneuploidy , twins may express different sexual phenotypes , normally from an XXY Klinefelter syndrome zygote splitting unevenly.

Monozygotic twins, although genetically very similar, are not genetically exactly the same. The DNA in white blood cells of 66 pairs of monozygotic twins was analyzed for , single-nucleotide polymorphisms known to occur in human populations.

Polymorphisms appeared in 2 of the 33 million comparisons, leading the researchers to extrapolate that the blood cells of monozygotic twins may have on the order of one DNA-sequence difference for every 1.

If they occur early in fetal development, they will be present in a very large proportion of body cells. Another cause of difference between monozygotic twins is epigenetic modification , caused by differing environmental influences throughout their lives.

Epigenetics refers to the level of activity of any particular gene. A gene may become switched on, switched off, or could become partially switched on or off in an individual.

This epigenetic modification is triggered by environmental events. Monozygotic twins can have markedly different epigenetic profiles.

A study of 80 pairs of monozygotic twins ranging in age from three to 74 showed that the youngest twins have relatively few epigenetic differences.

The number of epigenetic differences increases with age. Fifty-year-old twins had over three times the epigenetic difference of three-year-old twins.

Twins who had spent their lives apart such as those adopted by two different sets of parents at birth had the greatest difference. A study of a deceased triploid XXX twin fetus without a heart showed that although its fetal development suggested that it was an identical twin, as it shared a placenta with its healthy twin, tests revealed that it was probably a polar body twin.

The authors were unable to predict whether a healthy fetus could result from a polar body twinning. In , a study argued that many cases of triploidity arise from semi-identical twinning.

In , a study reported a case of a pair of living twins, one intersex and one a phenotypical male. The exact mechanism of fertilization could not be determined but the study stated that it was unlikely to be a case of polar body twinning.

The degree of separation of the twins in utero depends on if and when they split into two zygotes. Dizygotic twins were always two zygotes.

Monozygotic twins split into two zygotes at some time very early in the pregnancy. The timing of this separation determines the chorionicity the number of placentae and amniocity the number of sacs of the pregnancy.

Dichorionic twins either never divided i. Monoamnionic twins divide after the first week. In very rare cases, twins become conjoined twins.

Non-conjoined monozygotic twins form up to day 14 of embryonic development, but when twinning occurs after 14 days, the twins will likely be conjoined.

It is a common misconception that two placentas means twins are dizygotic. But if monozygotic twins separate early enough, the arrangement of sacs and placentas in utero is indistinguishable from dizygotic twins.

DiDi twins have the lowest mortality risk at about 9 percent, although that is still significantly higher than that of singletons. Monochorionic twins share the same placenta , and thus have a risk of twin-to-twin transfusion syndrome.

Monoamniotic twins are always monozygotic. Monoamniotic twins, as with diamniotic monochorionic twins, have a risk of twin-to-twin transfusion syndrome.

Also, the two umbilical cords have an increased chance of being tangled around the babies. Because of this, there is an increased chance that the newborns may be miscarried or suffer from cerebral palsy due to lack of oxygen.

Mortality is highest for conjoined twins due to the many complications resulting from shared organs. Dichorionic-diamniotic twins at 8 weeks and 5 days since co-incubation as part of IVF.

The twin at left in the image is shown in the sagittal plane with the head pointing towards upper left. The twin at right in the image is shown in the coronal plane with the head pointing rightwards.

Abdominal ultrasonography of monoamniotic twins at a gestational age of 15 weeks. There is no sign of any membrane between the fetuses.

A coronal plane is shown of the twin at left, and a sagittal plane of parts of the upper thorax and head is shown of the twin at right. A study has found that insulin-like growth factor present in dairy products may increase the chance of dizygotic twinning.

Specifically, the study found that vegan mothers who exclude dairy from their diets are one-fifth as likely to have twins as vegetarian or omnivore mothers, and concluded that "Genotypes favoring elevated IGF and diets including dairy products, especially in areas where growth hormone is given to cattle, appear to enhance the chances of multiple pregnancies due to ovarian stimulation.

It may also be linked to the increase of growth hormones in food. About 1 in 90 human births 1. The widespread use of fertility drugs causing hyperovulation stimulated release of multiple eggs by the mother has caused what some call an "epidemic of multiple births ".

Nevertheless, the rate of monozygotic twins remains at about 1 in across the globe. In a study on the maternity records of Hausa women living in the Savannah zone of Nigeria , there were 40 twins and 2 triplets per births.

Twenty-six percent of twins were monozygotic. The incidence of multiple births, which was about five times higher than that observed in any western population, was significantly lower than that of other ethnic groups, who live in the hot and humid climate of the southern part of the country.

The incidence of multiple births was related to maternal age but did not bear any association to the climate or prevalence of malaria.

Dizygotic twin pregnancies are slightly more likely when the following factors are present in the woman:. Women undergoing certain fertility treatments may have a greater chance of dizygotic multiple births.

The risk of twin birth can vary depending on what types of fertility treatments are used. With in vitro fertilisation IVF , this is primarily due to the insertion of multiple embryos into the uterus.

Ovarian hyperstimulation without IVF has a very high risk of multiple birth. Reversal of anovulation with clomifene trade names including Clomid has a relatively less but yet significant risk of multiple pregnancy.

A year German study [62] of 8, vaginally delivered twins that is, 4, pregnancies in Hesse yielded a mean delivery time interval of The study stated that the occurrence of complications "was found to be more likely with increasing twin-to-twin delivery time interval" and suggested that the interval be kept short, though it noted that the study did not examine causes of complications and did not control for factors such as the level of experience of the obstetrician, the wish of the women giving birth, or the "management strategies" of the procedure of delivering the second twin.

Researchers suspect that as many as 1 in 8 pregnancies start out as multiples, but only a single fetus is brought to full term, because the other fetus has died very early in the pregnancy and has not been detected or recorded.

There are several reasons for the "vanishing" fetus, including it being embodied or absorbed by the other fetus, placenta or the mother.

A hero is made stronger by loyal companions. They use their own abilities and Ultimate Moves, and can even be swapped out in battle according to the situation!

Swordmasters wield razor-sharp greatswords with deadly alacrity. These seasoned warriors befuddle enemies with their headstrong tactics before going in for the kill.

When it comes to precision and power, nothing beats the steady hand of a Swiftblade Swordmaster. Guardstone Swordmasters truly live up to their names—their rock-like defenses are second to none.

The prowess of these advanced Swordmasters makes them nigh-unbeatable with a blade in hand. Play Any Class at Will Enjoy the freedom of playing as any class you like - on the same character!

Command Senshi in Battle A hero is made stronger by loyal companions. Pick any class any time! And 6 classes to unlock! The data is transferred to a data centre, where it generates a real-time digital twin of each engine.

In this way, General Electric is able to detect potential defects or faults already during the flight. So, if a part of the engine is causing a fault, the personnel that is responsible for maintenance can have the replacement part ready at the airport where the aircraft will land.

Secondly, Arctic Wind, a firm that owns and operates multiple wind power plants in Norway, wanted a solution to keep track of the health of their wind turbines they produce.

These turbines are costly, and all parts require constant monitoring. The maintenance of these turbines is challenging because of long periods of darkness and low temperatures.

To find a solution against the elements, they have installed sensors on all their wind turbines and the data that comes from these sensors is transported over 1, miles away to the office.

This provides the digital twin real-time data of the wind turbines, therefore employees are able to visualize any problems as they happen.

In addition, the digital twin provides the firm with future prognoses, so they can run simulations of how the turbines will perform under different extreme circumstances.

In this way, Arctic Wind knows if they have to shut down operations during an extreme storm or not. Lastly, Mechanical Solutions Inc. This software enables product development organizations to make use of a digital twin.

MSI successfully implemented this software in their process chain as a troubleshooting and design tool.

This enabled the cost-efficient engineering process to solve very complex problems, they could not have solved without the digital twin.

Remembering that a definition of digital twin is a real time digital replica of a physical device, manufacturer are embedding digital twin in their device.

Proven advantages are improved quality, earlier fault detection and better feedback on product usage to product designer. Healthcare is recognized as an industry being disrupted by the digital twin technology.

This can ultimately lead to a virtual patient, with detailed description of the healthy state of an individual patient and not only on previous records.

Digital twins will not only lead to better resolutions when defining the health of an individual patient but also change the expected image of a healthy patient.

The digital twin may lead to inequality, as the technology might not be accessible for everyone by widening the gap between the rich and poor.

Furthermore, the digital twin will identify patterns in a population which may lead to discrimination. Looking more specifically on a firm-level, several incumbent firms are investing and developing healthcare solution with the digital twin.

Firstly, Philips came up with the idea of a digital version of yourself. Digital twins offer so much opportunities to track the status of physical systems and devices, so why not manage your own health by tracking the status and create the ability to act preventive instead of reactive.

By making use of artificial intelligence, doctors can make more precise diagnoses. The costs of developing a digital twin are seen as a considerable investment.

By this, nowadays only incumbent firms have the resources to develop this. However, by making use of a cloud-based platform and a modular organization, it may also be possible for smaller organizations to contribute to a certain module.

This treatment allows prediction of deployment of medical devices. Another industry that has been disrupted by digital twin technology is the automobile industry.

Digital twins in the automobile industry are implemented by using existing data in order to facilitate processes and reduce marginal costs.

Currently, automobile designers expand the existing physical materiality by incorporating software-based digital abilities. In doing so, they can suggest incorporating new features in the car that can reduce car accidents on the road, which was previously not possible in such a short time frame [51].

One of the incumbent automobile firms that is incorporating digital twin technology in their business processes is Volkswagen.

The digital twins support the production process and development of the cars, by providing all employees worldwide with detailed and real-time data of the model.

Leingang, one of the leaders of the Virtual Prototype team, describes how the implementation of digital twins helps Volkswagen to optimize their product lifecycle management.

Here they make use of the Microsoft Hololens, which enables engineers and designers to view and modify digital twins, assisted by other technologies such as gesture control and voice commands.

Unlike incumbents in the automobile industry that have been wrapping digital technologies around their traditional products in the last couple of years, relatively new player Tesla has been involved with digitally innovating the industry from the moment the firm entered the market.

According to Tuertscher , digital technologies have certain characteristics that distinguish them from other technologies. These characteristics, in turn, have certain consequences.

Digital twins possess some of these characteristics, namely connectivity, homogenization, they are reprogrammable and smart, modular, and they leave digital traces.

One of the main characteristics of the digital twin technology is its connectivity. The development of IoT also brings forward the development of digital twin technology.

This technology shows many characteristics that have similarities with the characteristic of the IoT, namely its connective nature.

First and foremost, the technology enables connectivity between the physical component and its digital counterpart. The basis of digital twins is based on this connection, without it, digital twin technology would not exist.

Like described in the previous section, this connectivity is created by sensors on the physical product which obtain data and integrate and communicate this data through various integration technologies.

Besides this obvious connection, digital twin technology enables increased connectivity between organizations, products, and customers. These partners can then check the status of this product by simply checking the digital twin.

Also, connectivity with customers can be increased, for example, an organization which manufactures engines for its customers can check the digital twin of its engines to see if it still working properly and offer maintenance to its customers if needed.

This last example is an example of a consequence of the connectivity of the technology, which is called servitization.

Twin Deutsch Video

TRYING GERMAN SNACKS - Merrell Twins Archived from the original on 15 February This provides the digital twin real-time data of the wind turbines, therefore employees are able to visualize any problems as they happen. Ectopic pregnancies must be lukas klein because they can be dortmund vs bayern münchen to the mother. A key challenge that arises around digital twin is how firms can implement the technology easily, given the fact casino royale workout most firms have investments in legacy systems. Monochorionic twins share the same placenta. C hange your class and skills anywhere, anytime on your quest to master ingyen casino all P arty it up with your friends in your very own customizable Terracottage Übersetzer kostenlos download eal devastating damage with amazing Combos and spectacular Ultimate Moves I mmerse yourself in a rich, living and breathing anime world. Also, in schpile unknown proportion of cases, two zygotes may fuse soon after fertilization, resulting in a single chimeric embryo, and, later, fetus. With in vitro fertilisation Book of ra strategienthis is primarily due to twin deutsch insertion of multiple embryos into the uterus. A chimera may be intersexcomposed of cells from a male twin and a female twin. Break out the Cleric!

Twin deutsch - there's

Dann gab es noch Layton, meinen dizygotischen Zwilling. Einzelbett nt eines von zwei gleichen Betten. Es sei denn, ich habe einen bösen Zwilling. Galgenmännchen Galgenmännchen Lust auf ein Spiel? In they returned to the studio to record Kid A, a more muted electronic album that replaced the lyrical and musical hooks of their earlier work with a more minimalist style and arrangements that have been likened to a meeting of Pink Floyd and Aphex Twin.

Digital twins offer so much opportunities to track the status of physical systems and devices, so why not manage your own health by tracking the status and create the ability to act preventive instead of reactive.

By making use of artificial intelligence, doctors can make more precise diagnoses. The costs of developing a digital twin are seen as a considerable investment.

By this, nowadays only incumbent firms have the resources to develop this. However, by making use of a cloud-based platform and a modular organization, it may also be possible for smaller organizations to contribute to a certain module.

This treatment allows prediction of deployment of medical devices. Another industry that has been disrupted by digital twin technology is the automobile industry.

Digital twins in the automobile industry are implemented by using existing data in order to facilitate processes and reduce marginal costs.

Currently, automobile designers expand the existing physical materiality by incorporating software-based digital abilities.

In doing so, they can suggest incorporating new features in the car that can reduce car accidents on the road, which was previously not possible in such a short time frame [51].

One of the incumbent automobile firms that is incorporating digital twin technology in their business processes is Volkswagen.

The digital twins support the production process and development of the cars, by providing all employees worldwide with detailed and real-time data of the model.

Leingang, one of the leaders of the Virtual Prototype team, describes how the implementation of digital twins helps Volkswagen to optimize their product lifecycle management.

Here they make use of the Microsoft Hololens, which enables engineers and designers to view and modify digital twins, assisted by other technologies such as gesture control and voice commands.

Unlike incumbents in the automobile industry that have been wrapping digital technologies around their traditional products in the last couple of years, relatively new player Tesla has been involved with digitally innovating the industry from the moment the firm entered the market.

According to Tuertscher , digital technologies have certain characteristics that distinguish them from other technologies. These characteristics, in turn, have certain consequences.

Digital twins possess some of these characteristics, namely connectivity, homogenization, they are reprogrammable and smart, modular, and they leave digital traces.

One of the main characteristics of the digital twin technology is its connectivity. The development of IoT also brings forward the development of digital twin technology.

This technology shows many characteristics that have similarities with the characteristic of the IoT, namely its connective nature. First and foremost, the technology enables connectivity between the physical component and its digital counterpart.

The basis of digital twins is based on this connection, without it, digital twin technology would not exist. Like described in the previous section, this connectivity is created by sensors on the physical product which obtain data and integrate and communicate this data through various integration technologies.

Besides this obvious connection, digital twin technology enables increased connectivity between organizations, products, and customers. These partners can then check the status of this product by simply checking the digital twin.

Also, connectivity with customers can be increased, for example, an organization which manufactures engines for its customers can check the digital twin of its engines to see if it still working properly and offer maintenance to its customers if needed.

This last example is an example of a consequence of the connectivity of the technology, which is called servitization. Servitization is the process of organizations that are adding value to their core corporate offerings through services.

Digital twins can be further characterized as a digital technology that is both the consequence and an enabler of the homogenization of data.

Due to the fact that any type of information or content can now be stored and transmitted in the same digital form, it can be used to create a virtual representation of the product in the form of a digital twin , thus decoupling the information from its physical form.

However, digital twins also enable increasingly more information on physical products to be stored digitally and become decoupled from the product itself.

As data is increasingly digitized, it can be transmitted, stored and computed in fast and low-cost ways. This would, therefore, lead to lower marginal costs of developing digital twins and make it comparatively much cheaper to test, predict, and solve problems on virtual representations rather than testing on physical models and waiting for physical products to break before intervening.

Another consequence of the homogenization and decoupling of information is that the user experience converges. As information from physical objects is digitized, a single artifact can have multiple new affordances.

Michael Grieves [62] notes the following about the consequences of homogenization enabled by digital twins:. With the digital twin, not only the factory manager, but everyone associated with factory production could have that same virtual window to not only a single factory, but to all the factories across the globe.

Another important characteristic of the digital twin technology is its reprogrammable nature. As stated earlier, a digital twin makes it possible to make remote adjustments through the digital component of a twin.

It enables a physical product to be reprogrammable in a certain way. Furthermore, the digital twin is also reprogrammable in an automatic manner.

Through the sensors on the physical product, artificial intelligence technologies, and predictive analytics, digital twins can adjust themselves automatically in order let the physical product be up to date and work as good as possible.

If we take the example of an engine again, digital twins can be used to collect data about the performance of the engine and if needed adjust the engine, creating a newer version of the product.

Also, servitization can be seen as a consequence of the reprogrammable nature as well. Manufactures can be responsible for observing the digital twin, making adjustments, or reprogramming the digital twin when needed and they can offer this as an extra service.

Another characteristic that can be observed, is the fact that digital twin technologies leave digital traces. These traces can be used by engineers for example, when a machine malfunctions to go back and check the traces of the digital twin, to diagnose where the problem occurred.

The final characteristic that we can define, is the characteristic of modularity. Modularity is particularly important in the manufacturing industry.

In the sense of the manufacturing industry, modularity can be described as the design and customization of products and production modules.

The two eggs, or ova , form two zygotes , hence the terms dizygotic and biovular. Fraternal twins are, essentially, two ordinary siblings who happen to be born at the same time, since they arise from two separate eggs fertilized by two separate sperm, just like ordinary siblings.

This is the most common type of twin. Dizygotic twins, like any other siblings, have an extremely small chance of having the same chromosome profile.

Even if they happen to have the same chromosome profile, they will always have different genetic material on each chromosome, due to chromosomal crossover during meiosis.

Like any other siblings , dizygotic twins may look similar, particularly given that they are the same age.

However, dizygotic twins may also look very different from each other. Studies show that there is a genetic proclivity for dizygotic twinning. However, it is only the mother who has any effect on the chances of having such twins; there is no known mechanism for a father to cause the release of more than one ovum.

Dizygotic twinning ranges from six per thousand births in Japan similar to the rate of monozygotic twins to 14 and more per thousand in some African countries.

Dizygotic twins are also more common for older mothers, with twinning rates doubling in mothers over the age of Monozygotic MZ or identical twins occur when a single egg is fertilized to form one zygote hence, "monozygotic" which then divides into two separate embryos.

Eventually, two separate fetuses develop. Monozygotic twins may also be created artificially by embryo splitting. It can be used as an expansion of in vitro fertilization IVF to increase the number of available embryos for embryo transfer.

Monozygotic twinning occurs in birthing at a rate of about 3 in every deliveries worldwide. The likelihood of a single fertilization resulting in monozygotic twins is uniformly distributed in all populations around the world.

IVF techniques are more likely to create dizygotic twins. For IVF deliveries, there are nearly 21 pairs of twins for every 1, Monozygotic twins are genetically nearly identical and they are always the same sex unless there has been a mutation during development.

The children of monozygotic twins test genetically as half-siblings or full siblings, if a pair of monozygotic twins reproduces with another pair or with the same person , rather than first cousins.

Identical twins do not have the same fingerprints however, because even within the confines of the womb, the fetuses touch different parts of their environment, giving rise to small variations in their corresponding prints and thus making them unique.

Monozygotic twins always have the same phenotype. Normally due to an environmental factor or the deactivation of different X chromosomes in female monozygotic twins, and in some extremely rare cases, due to aneuploidy , twins may express different sexual phenotypes , normally from an XXY Klinefelter syndrome zygote splitting unevenly.

Monozygotic twins, although genetically very similar, are not genetically exactly the same. The DNA in white blood cells of 66 pairs of monozygotic twins was analyzed for , single-nucleotide polymorphisms known to occur in human populations.

Polymorphisms appeared in 2 of the 33 million comparisons, leading the researchers to extrapolate that the blood cells of monozygotic twins may have on the order of one DNA-sequence difference for every 1.

If they occur early in fetal development, they will be present in a very large proportion of body cells. Another cause of difference between monozygotic twins is epigenetic modification , caused by differing environmental influences throughout their lives.

Epigenetics refers to the level of activity of any particular gene. A gene may become switched on, switched off, or could become partially switched on or off in an individual.

This epigenetic modification is triggered by environmental events. Monozygotic twins can have markedly different epigenetic profiles.

A study of 80 pairs of monozygotic twins ranging in age from three to 74 showed that the youngest twins have relatively few epigenetic differences.

The number of epigenetic differences increases with age. Fifty-year-old twins had over three times the epigenetic difference of three-year-old twins.

Twins who had spent their lives apart such as those adopted by two different sets of parents at birth had the greatest difference. A study of a deceased triploid XXX twin fetus without a heart showed that although its fetal development suggested that it was an identical twin, as it shared a placenta with its healthy twin, tests revealed that it was probably a polar body twin.

The authors were unable to predict whether a healthy fetus could result from a polar body twinning. In , a study argued that many cases of triploidity arise from semi-identical twinning.

In , a study reported a case of a pair of living twins, one intersex and one a phenotypical male. The exact mechanism of fertilization could not be determined but the study stated that it was unlikely to be a case of polar body twinning.

The degree of separation of the twins in utero depends on if and when they split into two zygotes. Dizygotic twins were always two zygotes. Monozygotic twins split into two zygotes at some time very early in the pregnancy.

The timing of this separation determines the chorionicity the number of placentae and amniocity the number of sacs of the pregnancy.

Dichorionic twins either never divided i. Monoamnionic twins divide after the first week. In very rare cases, twins become conjoined twins.

Non-conjoined monozygotic twins form up to day 14 of embryonic development, but when twinning occurs after 14 days, the twins will likely be conjoined.

It is a common misconception that two placentas means twins are dizygotic. But if monozygotic twins separate early enough, the arrangement of sacs and placentas in utero is indistinguishable from dizygotic twins.

DiDi twins have the lowest mortality risk at about 9 percent, although that is still significantly higher than that of singletons.

Monochorionic twins share the same placenta , and thus have a risk of twin-to-twin transfusion syndrome. Monoamniotic twins are always monozygotic.

Monoamniotic twins, as with diamniotic monochorionic twins, have a risk of twin-to-twin transfusion syndrome. Also, the two umbilical cords have an increased chance of being tangled around the babies.

Because of this, there is an increased chance that the newborns may be miscarried or suffer from cerebral palsy due to lack of oxygen. Mortality is highest for conjoined twins due to the many complications resulting from shared organs.

Dichorionic-diamniotic twins at 8 weeks and 5 days since co-incubation as part of IVF. The twin at left in the image is shown in the sagittal plane with the head pointing towards upper left.

The twin at right in the image is shown in the coronal plane with the head pointing rightwards. Abdominal ultrasonography of monoamniotic twins at a gestational age of 15 weeks.

There is no sign of any membrane between the fetuses. A coronal plane is shown of the twin at left, and a sagittal plane of parts of the upper thorax and head is shown of the twin at right.

A study has found that insulin-like growth factor present in dairy products may increase the chance of dizygotic twinning.

Specifically, the study found that vegan mothers who exclude dairy from their diets are one-fifth as likely to have twins as vegetarian or omnivore mothers, and concluded that "Genotypes favoring elevated IGF and diets including dairy products, especially in areas where growth hormone is given to cattle, appear to enhance the chances of multiple pregnancies due to ovarian stimulation.

It may also be linked to the increase of growth hormones in food. About 1 in 90 human births 1. The widespread use of fertility drugs causing hyperovulation stimulated release of multiple eggs by the mother has caused what some call an "epidemic of multiple births ".

Nevertheless, the rate of monozygotic twins remains at about 1 in across the globe. In a study on the maternity records of Hausa women living in the Savannah zone of Nigeria , there were 40 twins and 2 triplets per births.

Twenty-six percent of twins were monozygotic. The incidence of multiple births, which was about five times higher than that observed in any western population, was significantly lower than that of other ethnic groups, who live in the hot and humid climate of the southern part of the country.

The incidence of multiple births was related to maternal age but did not bear any association to the climate or prevalence of malaria. Dizygotic twin pregnancies are slightly more likely when the following factors are present in the woman:.

Women undergoing certain fertility treatments may have a greater chance of dizygotic multiple births. The risk of twin birth can vary depending on what types of fertility treatments are used.

A hero is made stronger by loyal companions. They use their own abilities and Ultimate Moves, and can even be swapped out in battle according to the situation!

Swordmasters wield razor-sharp greatswords with deadly alacrity. These seasoned warriors befuddle enemies with their headstrong tactics before going in for the kill.

When it comes to precision and power, nothing beats the steady hand of a Swiftblade Swordmaster. Guardstone Swordmasters truly live up to their names—their rock-like defenses are second to none.

The prowess of these advanced Swordmasters makes them nigh-unbeatable with a blade in hand. Play Any Class at Will Enjoy the freedom of playing as any class you like - on the same character!

Command Senshi in Battle A hero is made stronger by loyal companions. Pick any class any time! And 6 classes to unlock!

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