Scientists have long suspected that the sex chromosome that only males carry is deteriorating and could disappear entirely within a few million years, but until now, no one has understood the evolutionary processes that control this chromosome's demise. Now, a pair of Penn State scientists has discovered that this sex chromosome, the Y chromosome, has evolved at a much more rapid pace than its partner chromosome, the X chromosome, which both males and females carry.
Male Sex Chromosome Losing Genes By Rapid Evolution, Study Reveals
Posted by chetan555 1040 days ago (http://www.sciencedaily.com)
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