[最新] identical boy and girl twins possible 101574-Can a boy and girl twin be identical

 Identical (monozygotic) twins are always of the same sex because they form from a single zygote (fertilized egg) that contains either male (XY) or female (XX) sex chromosomes A set of boy/girl twins can only be fraternal (dizygotic)Boy/girl twins cannot be identicalThese are the possible sex combinations A set of boy/girl twins Can only be fraternal (dizygotic), as boy/girl twins cannot be identical (monozygotic) Two girl twins Can be either identical or fraternal (monozygotic or dizygotic) Can 1 baby have 2 fathers? The father's sperm determines gender Usually, the chances of fraternal twins being boys, girls, or a combination of both are the same as for any normal babies Identical twins (Monozygotic), on the other hand, are always of the same gender Fraternal twins can be two boys, two girls or one girl and one boy

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Can a boy and girl twin be identical

Can a boy and girl twin be identical-Find Boy And Girl Identical Twins stock video, 4k footage, and other HD footage from iStock Great video footage that you won't find anywhere elseIs it possible for a boygirl pair of twins to be genetically identical?

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 In very rare cases, identical twins can be different sexes These twins begin as identical male twins Like all males, they both have XY sex chromosomes, instead of XX like all females do VeryIn addition, some health professionals may assume that two placentas means nonidentical twins, when it's possible for identical twins to have a placenta each, if they are DCDA (Davies 14, McAslan Fraser nd, van Jaarsveld et al 12) Can identical twins be a boy and a girl?Find Identical Twins Boy And Girl stock video, 4k footage, and other HD footage from iStock Great video footage that you won't find anywhere else

 Young Queensland twins, a boy and a girl, have been identified as only the second set of semiidentical twins in the world – and the first to be identified by doctors during pregnancy The twins, who are identical on their mother's side but share only part of their father's DNA, are the first case of semiidentical, or sesquizygotic, twins identified in Australia Doctors have documented what they say is only the world's second known case of "semiidentical" twins The boy and the girl, now four, from Brisbane, in Australia, are identical on their mother's When the girls were first born in 1997, their mother Donna had no idea that she could give birth to such different looking twins, described by experts as a oneinamillion chance

 Fraternal twins will not be identical and can be either the same sex or a boy and a girl Identical twins This is when only one egg is fertilized, and the zygote splits into two early in pregnancy, forming two embryos Identical twins have the same chromosomes, and will look the same and be the same sex Implantation in the wombSo my husband and I assumed identical twin boys given we had a single embryo transfer At the week scan, they asked us if we wanted to know the sex of our babies and we said we already knew one was a boy and assumed the other was as well Anyway, imagine our surprise when they said one was a girl and one was a boy!!!!! Identical twins are always boy/boy or girl/girl But if that egg split happens on days 2 or 3, before the sac has started to form, each zygote develops its own sac and placenta What looks like fraternal twins to medical professionals is actually identical twins!

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Why or why not? Rarely, a boy and girl may be identical twins This condition, called Turner Syndrome, afflicts very few pairs of twins The gender difference occurs when an egg and a sperm pair that begins as two males, loses a copy of its dominant Y chromosome when it splits A twin boy and girl may be identical, according to a study found on NCBI, although this situation is very rare Semiidentical twins can be boy/boy, boy/girl or girl/girl, the discovery was made when a set of oppositesex twins came into a hospital in 07 for unrelated testing According to the research, there are two theories about how these semiidentical twins happened

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 Twins can be identical boys, identical girls, nonidentical boys, nonidentical girls or one boy and one girl What are the possible combinations withCheck out this linkThey checked the placenta and yip id They called polar twins I believe and are extraordinarily rare indeed

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Yes, boy/girl twins can be identical although it is not a pleasant situation As most of us know from all the research we did when we found out we were having twins, the difference between identical and fraternal twins is that identical twins arise from the splitting of one egg Fraternal twins occur as a result of two eggs being released byActually, there can be identical boy/girl twins if the sex gene of the embryo has an extra x chromosome (the fertilized egg would be an xxy) then when the egg splits one can have xx (girl) genes and one can have xy (boy) genesThe egg then divides in 2, creating identical twins who share the same genes Identical twins are always the same sex, so if your twins are identical, you'll have 2 girls or 2 boys Nonidentical twins Nonidentical (dizygotic) twins happen when 2 separate eggs are fertilised and then implant into the womb (uterus) These nonidentical twins

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Moreover, if identical twins end up being different genders, the male with XY chromosomes may turn out normal, but the female with XO chromosomes might have Turner Syndrome Technically speaking, yes there are semiidentical or maternal twins can be a boy and a girl However, it is not without risk or genetic anomalies to the fetus Given the odds, it's safe to assume that 999 percent of all boy/girl twins are fraternal Twins That Are Genetically Dissimilar While identical twins come from the same fertilized egg and share the same DNA combination, there are more possibilities for fraternal twinsAnswer View Answer Topics No Related Subtopics Biology the essentials 2nd Chapter 9

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It is possible for twins to have different fathers in a phenomenon calledThe only way to figure this out for sure is to do a DNA testThe girl has a mix of 9010 In the 07 case, one of the twins actually had ambiguous genitalia,

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Can male/female twins ever be identical?Is it possible for a boygirl pair of twins to be genetically identical? When twins are fraternal, two eggs are fertilized at the same time, so it is possible that you still get a pair of samegender twins even though they aren't identical More on that in a moment Identical Twins If you've got boy/boy or girl/girl twins, you may have identical twins The trick is determining whether boyboy twins or girlgirl

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 For identical twins to have different blood types, something needs to happen to one twin's DNA Small changes in DNA can and do happen so identical twins do have a few differences What makes them having different blood types so rare is that the changes have to be in just the right place out of over six billion different possible places Scenario 3 There is a twin type called the polar body twins or halfidentical twins In this case the egg splits before fertilization and each egg is then fertilized by a different sperm If one egg was fertilized by a sperm containing the X chromosome and the other egg was fertilized by a sperm containing the Y chromosome, then this would result in twins having different sexesIn 999% of cases boy/girl twins are nonidentical However, in some extremely rare cases resulting from a genetic mutation, identical twins from an egg and sperm which began

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 Twins can be identical boys, identical girls, nonidentical boys, nonidentical girls or one boy and one girl what are the possible combinations with quadruplats 1 See answer shakemaaaliyah1438 is waiting for your help Add your answer and earn pointsIn % of cases boy/girl twins are nonidentical However, in some extremely rare cases resulting from a genetic mutation, identical twins from an egg and Mar 1, For example, some sperm will contain a copy of the father's Y The semiidentical twin boy and girlCheck out our identical boy twins selection for the very best in unique or custom, handmade pieces from our shops

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Why or why not? Triplets are three babies carried in the same womb during a single pregnancy Like twins, triplets and other higherorder multiples can be categorized by their zygosity or degree of genetic similarity Though triplets are most commonly fraternal (dizygotic or trizygotic), it is possible for triplets to be identical (monozygotic)Check out our identical girl boy selection for the very best in unique or custom, handmade pieces from our shops

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 Twins of different genders are universally accepted as a sound basis for a clinical determination that boy and girl twins are not identical However, in extremely rare cases, boy and girl twins can stem from the same fertilized egg Twins, who stem from the same fertilized egg, are called monozygotic twins When most people think of twins, they think of two people who look completely identical to each other in every way And when those twins are kids, many of their parents dress them alike, much to Many people will think boy/girl twins are identical because they look so similar Not to create a riot amongst parents of identical twins, but the factual answer is yes There are a small number of cases (5 or 6 that have been reported) of identical twins of the opposite sex

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The science behind identical twins demands that they be the same sex So the quick answer to Mariana's question is YES They can both be boys or they can both be girls, but a set of identical twins cannot be one of each One fertilized egg splits into two embryos, then the two identical twins develop in the womb Is it possible for a boy girl pair of twins to be genetically identical? The one who looks like a boy has an XXXY mix of 4753;

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If not they should definitely make it possible Edit I was confused about the meaning of fraternal twins sorry I meant two babies at the same time that are one boy and one girl yes they can be identical, mad I know BUT there is a lady Ange on the AMM She has b/g twins was told they were ID all through pg and then they were born one girl and one boy and she was very surprised; I am an identical twin (and 31 years old), and just found this out about a month ago I was watching a show on the Discovery Health channel that talked about multiples, and how doctors are using the term "monozygotic" rather than "identical" now, because an egg can split and become one boy and one girl!

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 The boy and the girl, now four, from Brisbane, in Australia, are identical on their mother's side But they share only a proportion of their father's DNAIn 999% of cases boy/girl twins are nonidentical However, in some extremely rare cases resulting from a genetic mutation, identical twins from an egg and sperm which began as male (XY) can develop into a male / female pair This happens when the fertilised egg 'loses' one of the copies of the Y chromosome when it is dividing into two Do any of the expansion packs make it possible to have a pregnancy where you can have a boy and a girl instead of just identical twins?

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 #BodyBizarre #BornDifferent #ConjoinedTwinsCan conjoined twins be a boy and a girl?So far, all the conjoined twins featured in our channel are whether two boTwins of different genders are universally accepted as a sound basis for a clinical determination that boy and girl twins are not identical However, in extremely rare cases, boy and girl twins can stem from the same fertilized egg Twins, who stem from the same fertilized egg, are called monozygotic twinsNo, identical twins are genetically identical, so are always the

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 Turner quad one, as he is described on his hospital tag, is James, number two is his identical twin Joshua, number three is Lauren and four is Fraternal twins might be two boys, two girls, or a boy and a girl Each baby develops in his or her own placenta Identical Twins (Monozygotic) Identical twins, or monozygotic twins, form when one fertilized egg splits in two and grows into two separate embryosFind the perfect Identical Boy And Girl Twins stock photos and editorial news pictures from Getty Images Select from premium Identical Boy And Girl Twins of the highest quality

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 Its not possible Because being different genders makes them unidentical Identical twins occur with the splitting of 1 egg So if the egg that was fertilized was fertilized with a "Y" chromosome they will be a boy, or an "X" chromosome will be a girl If they egg splits, it can't change chromosomes once its fertilized Genetically, they are somewhere between fraternal and identical twins Identical twins result when cells from a single egg fertilised by a single sperm divide into two

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