'Fidelity gene' found in voles

A single gene can turn the Don Juan of voles into an attentive home-loving husband, Nature magazine has reported. By altering the small animal's brain hormone chemistry, scientists have made a promiscuous meadow vole faithful - just like its prairie vole cousin. The researchers think this will lead to a greater understanding of how social behaviour is controlled in humans.

2004-06-16

 sex marriage genetics love fidelity monogamy

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