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Science 10 June 2005:
Vol. 308. no. 5728, p. 1533
DOI: 10.1126/science.308.5728.1533
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News of the Week

GENETICS:
In Voles, a Little Extra DNA Makes for Faithful Mates

Elizabeth Pennisi

On page 1630, researchers report that fidelity and other social behaviors in male prairie voles seem to depend on the length of a particular genetic sequence in a stretch of DNA between their genes.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)