I contend they're 25 percent for two boys, 25 percent for two girls and 50 percent for one boy and one girl Can you have twins without family history?A set of boy/girl twins Can only be fraternal (dizygotic), as boy/girl twins cannot be identical (monozygotic) What happens if Momo twin dies?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
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Boy and girl twins identical
Boy and girl twins 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), as boy/girl twins cannot be identical (monozygotic)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 identical (monozygotic) Click to
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Lisathompson09 lisathompson09 Mathematics Middle School answered Fraternal twins can be either boys or girls, or a combination of one girl, one boy They are different from identical twins, who share the same DNA and must be the same gender Because fraternal twins originate from separate conceptions, they can both be boys, both girls, or one of each (just like a singleton baby) Chromosomes from the father's sperm determine gender XX for a girl and XY for a boy
Another site said that 1/3 of all twins are identical Others give different numbers If I take that first pair of numbers, we get the probability of two boys, or of two girls, is , and the probability of one of each is So each probability is about 1/3 That came from a quick search for frequencies of twins, just looking for 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 pointsI 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!
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 identical (monozygotic)Wiki User ∙ See answer Best Answer Copy Yes, they can!In other words, a tall woman with a family history of fraternal twins is more likely to conceive twins during fertility treatments than a short woman without any family history of twins
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If the twin dies in the second or third trimester, there are increased risks to the surviving fetus, including a 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 maleIn 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 normal genetic makeup of a girl is XX
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But it is extremely rare and I am not sure how it happens ) Wiki UserTwins 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 My b/g twins are 65 months old (I delivered at 371) I think they look a lot alike I get told mine look alike all the time and they are so different My girl is fair skinned, long torsoed, barely any hair, blue eyes My boy is olive skinned, short torsoed, a head of hair, and dark eyes
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Can identical twins be male and female? 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 2 Fraternal twins can be either two girls, two boys, or one of each These are the possible sex combinations 1 A set of boy/girl twins Can only be fraternalHowever, males are also more susceptible than females to die in utero, and since the death rate in utero is higher for twins, it leads to female twins being more common than male twins Additionally, are twins the same gender?
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Meet The Boy And Girl Who Are Identical Twins Several years ago, an expecting mother was carrying identical twins a rare and joyous occasion, but known to happen from time to time At her 14 week scan, something more remarkable was discovered one of the identical twins was a boy, and the other a girlThe 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 pair Semiidentical twins, an apparent rarity, share threequarters of their DNA, vs 100% for fullyidentical twins, or 50% for fraternal twins While identical twins always have the same birthgender, semiidentical twins can be a boy/girl pair
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In respect to this, are boy or girl identical twins more common? 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 boySemiidentical twins can be boy/boy, boy/girl or girl/girl, theBoy/girl twins are always fraternal or (dizygotic);
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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/girl This can happen because the ovaries release two eggs and not just one Basically, fraternal twins are as alike as siblings would be — in other words, they are not identical Fraternal twins might be two boys, two girls, or a boy and a girl Each baby develops in Female and male identical twins Sometimes identical twins can be assigned the sex of male and female at birth These twins start off as identical males with XY sex chromosomes
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Based on the above concept of gender determination, we can now understand the different gender variations in identical and fraternal twins For identical twins As identical twins grow from a single fertilized egg that later split to form two zygotes with the same genetic material, the gender of both the babies will be the sameWhat are the chances of having boy and girl semiidentical twins?They can only form from two separate eggs that are fertilized by two separate sperm The terms identical and fraternal don't describe what the twins look like, but actually how they form
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ベスト Non Identical Twins Boy And Girl Fraternal The Differences In Fraternal And Paternal Twins Sciencing Chapter 2 What Are Fraternal Twins With Pictures The 25 Best Fraternal Twins Ideas On Twin Fraternal Twins Can a boy and a girl twin be identical? Fraternal twins can be boy/girl, two girls, or two boys So no, your boy/girl twins are not identical There is an extremely rare case that can happen where the zygote splits to form identical twins but one of the pair doesn't get both sex chromosomes
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Answer (1 of 16) Identical (monozygotic) twins are nearly identical in terms of genetics, so are almost always the same sex The exceptions come from very unusual events such as aneuploidy (uneven chromosomal splitting leading to an abnormal chromosome number in the cell) or X chromosome deactiv Heteropaternal Superfecundation Twins with Different Fathers Can a boy and a girl twin be identical twins? Twins can be identical boys, identical girls, nonidentical boys, nonidentical girls or one boy and one girl Get the answers you need, now!
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Fraternal Twins Fraternal twins may be of the same or different sexesYes, identical twins can be boy/girl I see comments from parents of multiples a lot on social media, frustrated with others asking if their boy/girl twins are identical On the surface, it may sound like a stupid question, but the reality is, its not as stupid as many think The reality is, identical twins CAN be male/female Can boy and girl twins be identical?
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Answer (1 of 8) There are two types of twins mainly Fraternal which is from two eggs and two sperm, they can be the same gender or boy/girl The other type of twins is identical which is when one egg, one sperm splits into two when fertilized 999% of 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 twinsYes, 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
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The chance of having twins is just about 3 in 100, so that is roughly a 3% chance of conceiving twins at any given timeHowever, with semiidentical twins, it is even rarer It is estimated that And so I should point out that it is actually possible for a boy and a girl to be identical twins There is a genetic mutation that can occur in male identical twins before they're born which results in one of the twins losing a male chromosome and developing as a female However, even as an identical twin (male), I agree that it is stupid toCheck out this link
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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 The terms identical andIn 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 pairIdentical, or monozygotic, twins may or may not share the same amniotic sac, depending on how early the single fertilized egg divides into 2 If twins are a boy and a girl, clearly they are fraternal twins, as they do not have the same DNA A boy has XY chromosomes and a
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By 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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