How Infidelity Helps Nieces and Nephews

Tuesday, November 27, 2012 - 17:30 in Health & Medicine

A University of Utah study produced new mathematical support for a theory that explains why men in some cultures often feed and care for their sisters' children: where extramarital sex is common and accepted, a man's genes are more likely to be passed on by their sister's kids than by their wife's kids.

Read the whole article on Newswise - Scinews

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