11 years ago
What Your Baby's Gender Could Say About Your Genes
There is a term (my in-laws introduced me to it) for children born into a life of inherited wealth and unearned leisure. They are “fortunate sperm.” A newly published study gives that term new meaning. We all assume that the gender of a child is basically random—the result of a ferocious, wriggly race between tens of millions of sperm to get to and burrow into the waiting egg. But the new research suggests that mothers in a wide and diverse array of mammal species are able..
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