News of the WeekGenetics

In Voles, a Little Extra DNA Makes for Faithful Mates

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Science  10 Jun 2005:
Vol. 308, Issue 5728, pp. 1533
DOI: 10.1126/science.308.5728.1533

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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.