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 Healthy twins with a boy and a girl were delivered at 37 weeks 0 days of gestation by a cesarean section The boy's weight was 96g, and his height was 450cm, while the girl's weight was 19g, and her height was 415cm Peripheral lymphocyte chromosome analysis of the two infants showed normal karyotype, 46, XY (boy) and 46, XX (girl)Can identical twins be boy and girl?
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Identical twins boy and girl possible
Identical twins boy and girl possible- 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 Two boys and identical twin girls He is the author of the popular books Dad's Guide to Twins and Dad's Guide to Raising Twins This site is dedicated to helping you learn from his experiences (and thousands of other twin parents) so you can be the best twin dad you can be
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The girl has a mix of 9010 In the 07 case, one of the twins actually had ambiguous genitalia, 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 pointsID girl/boy twins hmmmm!
As fraternal twins originate from separate conceptions, they can either be all boys, girls, or one of each The father's sperm determines genderKnow your biology'" I do And so I should point out that it is actually possible for a boy and a girl to be identical twins DOCTORS say they have discovered the world's second known case of semiidentical twins born from one egg and two sperm The now fouryearold boy and girl, from Brisbane, Australia, are identical
There's no such thing as identical boy/girl twins Identical means that they have the same DNA Gender is in the DNA A boy can't have the same DNA as a girl because the boy's DNA would show that he was male and the girl's would show that she is female Violation Reported 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 It seems like it should not be possible, but a recent case showed that sometimes a boy and a girl are born as semiidentical twins Read in app Send any friend a story
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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 twinsBecause fraternal, or dizygotic, twins are 2 separate fertilized eggs, they usually develop 2 separate amniotic sacs , placentas, and supporting structures 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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By Anonymous My dad tried to convince me that my id twins could be girl/boy mum put him right I wouldn't mind so much but my sister and I were id twins (she sadly died when we were young) so you'd think he'd knowRe Identical Twins CAN be one boy, one girl! These are the possible sex combinations 1 A set of boy/girl twins Can only be fraternal (dizygotic), as boy/girl twins cannot be identical (monozygotic) Two boy twins Can be either identical or fraternal (monozygotic or dizygotic) Two girl twins Can be either identical or fraternal (monozygotic
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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 Semiidentical twins 'identified for only the second time' Doctors have documented what they say is only the world's second known case ofActually, 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
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*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 otherIn 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 twoYou make some good points The nurses responses, though, came immediately after saying they were boy/girl And from my girlfriend's research, she says there's such a thing as boy/girl twins who are 75% identical I don't see how that's still called identical though
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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 chromosomesYes, it is possible for samesex fraternal twins to look extremely similar Like any siblings, fraternal twins are the products of two separately fertilized eggs from the same mother 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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Boy/Girl Monozygotic (Identical) Twins Identical twins are always the same gender because they form from a single zygote that contains either male (XY) or female (XX) sex chromosome In the past, there have been a few reported cases of a genetic mutation in some male twins where one twin loses a Y chromosome and develops as a female Boy and girl twins are always fraternal, nonidentical or dizygotic They are formed from two individual eggs which are fertilised by two separate sperm ACan male/female twins ever be identical?
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DNA testing is the surefire way to determine if twins are identical or fraternal Fraternal Twins Boy and Girl Since conception happened for each egg, each egg carries the sex chromosome of the father A girl has XX chromosomes while a boy has XY chromosomes A boygirl combination is the most common form of these kind of twins Science now tells us that it IS possible to have boy/girl identical twins, if the girl has Turners syndrome There are 3 documented cases Discovery Channel did a show on twins that featured a set This happens when the egg splits to create identical boy twins, but one of the resulting eggs loses a Y sex chromosome (this can happen with single 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
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Just last year, Tressa and Manuel Montalvo of Houston, Texas gave birth to four boys two sets of identical twins at The Woman's Hospital of Texas (read more here) The one who looks like a boy has an XXXY mix of 4753;Monozygotic twins ("identical twins") are always both the same sex, so their having never going to have a baby together Dizygotic twins ("fraternal twins") is where boy/girl twins are possible, and their incest baby wouldn't be any more different than any other siblingincest baby
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Boy/girl monozygotic (identical) twins Secondly, can a boy and girl twin be in the same sac?Identical, or monozygotic, twins may or may not share the same amniotic sac, depending on how early the single fertilized egg divides into 2 Are fraternal twins usually a boy and a girl?Generally, identical twins can only be the same gender However, rare cases, such as sesquizygotic (semiidentical) twinning may cause identical twins to be a boy and a girl
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Genetics And Dna Of Identical Twins
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 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 andIdentical (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)
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Reply Mike Wilson at 1126 am "'Are you guys identical or fraternal'" (Later in that same section) "'Really guys?#BodyBizarre #BornDifferent #ConjoinedTwinsCan conjoined twins be a boy and a girl?So far, all the conjoined twins featured in our channel are whether two boThe 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
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Two boy twins can be either identical or fraternal (monozygotic or dizygotic) A set of boy/girl twins can only be fraternal (dizygotic) What is a di di twin?So 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!!!!!When I was pregnant, my SIL excitedly told me that she hoped I would have a boy and a girl I said "Oh no, they're identical so it's either two boys or two girls" She replied "No, identical just means they look alike They can be boy/girl I knew a set of identicals who were boy/girl"
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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 Dizygotic Twins and Gender Dizygotic twins can be boyboy, girlgirl, or girlboy Boygirl twins are the most common kind of dizygotic twins, occurring 50% of the time Girlgirl twins are the second most common occurrence Boyboy twins are the least common among dizygotic twins Identical, 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 girl has XX chromosomes
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Carrieann6 March 10 That's not true They don't have 'issues' medical or otherwise It's 'rare' but can happen in about 13 out of 1000 cases of twins I would say that's worth discussing, but if you don't think so, don't discuss with us!They checked the placenta and yip id They called polar twins I believe and are extraordinarily rare indeed 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;
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