Identical twins different sex

See more on identical twins or fraternal twins The egg is fertilized by a sperm cell. National Library of Medicine Rockville Pike , Bethesda MD , USA. How can identical twins be male and female? However as we have gotten older 33 people are confusing us more and more. Leave a Reply Cancel reply Enter your comment here It's so rare it's not even worth discussing.
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Fraternal Twins vs Identical Twins - Difference and Comparison | Diffen

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Why Are Identical Twins Different?

As a mom of identical twin boys verified by DNA testing who are not identical, I can tell you that these people are wrong, in small part because they do not take into account mirror twinning , Twin-to-Twin Transfusion Syndrome , mitochondrial DNA , the difference between developmental and genetic characteristics, and how genes in the DNA express themselves once the one egg divides into two. There is no sign of any membrane between the fetuses. The three sets of chromosomes as oppose to the usual two are split into two separate cell sets. This video excerpt from their site says:
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Can identical twins be male and female?

Monoamniotic twins, as with diamniotic monochorionic twins, have a risk of twin-to-twin transfusion syndrome. Monochorionic twins share the same placenta , and thus have a risk of twin-to-twin transfusion syndrome. Can I stll get pregnant? Genetics : —
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The degree of difficulty rises if a vital organ or structure is shared between twins, such as the brain , heart or liver. This is the most common type of twin. But, as explained here , identical twins do not always look exactly the same. Premature birth and low birth weights, especially when under 3. Journal List J Med Genet v. I am a twin.
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