How well do you understand genetics ?
This one was new to me. But you need to read the article
This Man Failed A Paternity Test Due To His Vanished Twin’s DNA
BuzzFeed - Dan Vergano 10/24/15
Quote:
DNA researchers report a father failed a paternity test because
the genes in his saliva differ from his sperm’s.
One in eight people might possess such “chimeric” genes caused by a twin lost in the womb.
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