I’ve read about chimerism affecting maternity, where the baby is genetically the offspring of a twin sister. Could the same thing happen to a man?
In: 2
Yes. Basically, if a person “absorbs” their twin in utero, they can have two sets of DNA. If they have a child and their unborn twin’s DNA is passed on to that child, the twin will be the child’s biological parent.
The gender of the chimera parent doesn’t matter: if it’s the dad then paternity is affected, and if it’s the mom then maternity is affected.
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