February 2012
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The human Y chromosome is here to stay
Men can breathe a sigh of relief — their sex-determining chromosomes aren’t going anywhere. A study of human and rhesus monkey Y chromosomes questions the notion that the Y is steadily shedding genes and is doomed to degenerate.
In fact, the version of the Y chromosome that every human male carries around has lost just a single gene in the 25 million years since humans and rhesus macaques...
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