√ identical boy and girl twins possible 180981-Can a boy and girl twin be identical

 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; 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 DNA Jimmy Nsubuga Tuesday 750 am These twins have been described as 'one in a million' after one of them was born with Down's syndrome Doctors had no

Can Identical Twins Be Different Sexes

Can a boy and girl twin be identical

Can a boy and girl twin be identical- Fraternal twins can be boy/boy, boy/girl, or girl/girl Identical twins are the result of one fertilized egg splitting The split usually happens around days 4 or 5, after the placenta and sac have started forming Which means the two babies end up in the same sac, sharing the same placenta Identical twins are always boy/boy or girl/girlIdentical twins also share a placenta Nonidentical or dizygotic twins form from two separate eggs being fertilised by two separate sperm These twins are their own unique little individuals and share no more genetic composition than siblings with the same parents Each baby in a nonidentical twin pair will have its own placenta Another name

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 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 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 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

 A boy has XY chromosomes and a girl has XX chromosomes Girlboy twins occur when one X egg is fertilized with an X sperm, and a Y sperm fertilizes the other X egg Sometimes health care professionals identify samesex twins as fraternal or identical based on ultrasound findings or by examining the membranes at the time of delivery Boy/girl monozygotic (identical) twins In very rare cases, identical twins can be different sexes These twins begin as identical male twins Learn what causes it, possible health concerns 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 Fraternal twins can be either two girls, two boys, or one of each These are the possible

 Girlgirl twins are the second most common occurrence Boyboy twins are the least common Can a boy and a girl twin be identical twins?In 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 Doctors in Australia say they have identified a second case of twins apparently created from one egg and two sperm, a boygirl combination in whom the mother's DNA is identical in both babies but

Can A Boy And A Girl Be Identical Twins

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 The one who looks like a boy has an XXXY mix of 4753; Babies from twin pregnancies are more likely to suffer from birthrelated complications than those from singleton pregnancies Fraternal and identical twins can beThe girl has a mix of 9010 In the 07 case, one of the twins actually had ambiguous genitalia,

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In 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 The two girls started out like all identical twins, developing from the same fertilized egg and the exact same set of DNA But when they were born last year they didn't look like identical twins One girl has peach skin and blue eyes A twin boy and girl may be identical, according to a study found on NCBI, although this situation is very rare Usually identical twins share the same gender they are either a pair or boys or girls In rare instances, however, identical twins form from an egg and sperm that begin as males (sharing XY chromosomes) then change to become a male

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Theoretically yes There has been at least one case of identical twins of opposite genders This was due to the special circumstance of one twin losing the Y chromosome from an XY (male) conception The twin who was XO developed as female, with Tu25% chance that a mother will have two boys, 25% chance that a mother will have two girls, and 50% chance that a mother will have a boy and a girl On the other hand, identical twins are always the same gender It's fascinating to find out boy and girl monozygotic twins are possible, although extremely rare This only happens when one of the embryos starts as a male zygote, and then develops a chromosomal condition called Turner Syndrome #8 Identical twins ultrasound Most people can determine twins are identical based on how alike they look

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 Parenting Twins Personalities & Behaviors The mother of boyandgirl twins and author of Twinspiration RealLife Advice from Pregnancy through the First Year, answers questions about her twinsThey checked the placenta and yip id They called polar twins I believe and are extraordinarily rare indeed 0 It is safe to assume that if twins born are of different sexes, 9999% of the time they are going to be dizygotic or fraternal twins and not identical twins Khushboo Kirale Hi, I am Khushboo KiraleThakker, a marketing specialist turned homemaker and mom of four (1 elder daughter and triplets—all boys)

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When Identical Twins Marry Identical Twins and Have Children (Infographic) 5 13 15 by Jaime Trosper It might sound crazy to some people (maybe even taboo to others), but a pair of identical There are two different types of twins Identical Identical twins occur when one egg is fertilized by one sperm The egg then divides into two separate embryos Identical twins might share a placenta and an amniotic sac, or they might share a placenta and each have separate amniotic sacs Genetically, the two babies are identical The twins can be two girls, two boys, or a boy and a girl Identical twins occur when a single fertilized egg splits and develops into two fetuses Identical twins might share a placenta and an amniotic sac or the twins might share a placenta and each have separate amniotic sacs Genetically, the two babies are identical

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 The majority of twins are fraternal twins (twins that are more like siblings born at the same time) 1  Monozygotic twins, or identical twins, come from a single egg and sperm that splits into two after conception 2  Learn more about fraternal twinning, from how they form to how they relate to each other, as well as how they differ from 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 Even identical twins, however, are not completely identical in gene configurations Bruder et al (08, p763) have reported that copynumber variation in genome biology can affect differences in behavior between MZ twins and conclude that "differences in the genetic makeup between twins derived from the same zygote represent an irrefutable

Can Identical Twins Be Different Sexes

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 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! Twins are two offspring produced by the same pregnancy They can be either identical twins, meaning that they develop from one egg (monozygote), which splits and forms two embryos, or fraternal Can identical twins be male and female?

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The official website of Twins Research Australia In 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 pairMoreover, 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 fetusYes, 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 by

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 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 boyThe gender chances of a fraternal twin pregnancy are;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

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 In Vitro Fertilization Gives Two Sets of Identical Twins to Couple Two embryos split to create two sets of identical twin quadruplets Fertility treatment adds two boys and two girlsSo 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!!!!!*The rare instance in which a set of boy/girl monozygotic/identical twins occurs is the result of Turner's Syndrome, in which both individuals are actually XY boys, but one child loses the Y chromosome, yielding a baby who is XO One twin appears externally to be a girl, but grows up infertile, short, and usually with a couple of other

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The CDC reports that the twin birth rate climbed 70% between 1980 and 04, but leveled off between 05 and 06 at a rate of 321 twins per 1,000 US births Fraternal twins can either be two boys, two girls, or a boy and girl They may or may not look a lot alike That's because, unlike identical twins, they don't share theCheck out this link

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 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 inJust last year, Tressa and Manuel Montalvo of Houston, Texas gave birth to four boys two sets of identical twins Girl, 15, shot in Englewood while riding in car Is it possible for a boy girl pair of twins to be genetically identical?

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 Most identical twins share one amniotic sac and one placenta, but 25 to 30 percent actually have two separate placentas and amniotic sacs However, not all doctors are aware of that fact 81 percent think that twins who don't share a placenta are fraternal, according to a survey of American Congress of Obstetricians and Gynecologists (ACOG 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 placesBy Anonymous Actually, 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) genes Rare but possible Only 4 ever recorded cases

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 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 womb

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