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Posts Tagged ‘Monogamy’

When Men Shouldn’t be in Want of a Wife

Posted by addisethiopia / አዲስ ኢትዮጵያ on February 23, 2010


SOME couples come together for love, others for money, pregnancy or because they’re told to. Whatever the reason, socially prescribed monogamy and its ultimate cultural expression, marriage, may have emerged because of the evolutionary benefits that both offer.

By providing men with increased assurance that their wives’ children are their true heirs and women with the confidence that their kids will benefit from a decent inheritance, monogamous marriage is a win-win situation, argue Laura Fortunato at University College London and Marco Archetti at Harvard University.

Their view challenges theories of marriage that emphasise the role of religion and the societal benefits of keeping men from fighting over women. Such theories also contend that by giving up multiple wives or partners, men sacrifice their interests for those of the group.

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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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