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Posts Tagged ‘Fidelity’

Monogamy In Your DNA

Posted by addisethiopia / አዲስ ኢትዮጵያ on October 4, 2008

 

If you are wondering why some people find it so hard to keep monogamy in their relationship, well, they probably don’t have it encoded in their genes.
There has been speculation about the role of the hormone vasopressin in humans ever since we discovered that variations in where receptors for the hormone are expressed makes prairie voles strictly monogamous but meadow voles promiscuous; vasopressin is related to the “cuddle chemical” oxytocin. Now it seems variations in a section of the gene coding for a vasopressin receptor in people help to determine whether men are serial commitment-phobes or devoted husbands.
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