Word: voles
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Dates: during 2010-2019
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...talk about the ones who don't. You say that one gene in particular - which scientists first started studying in voles - may play a role in infidelity. It's called the vasopressin receptor gene. The prairie vole, which is monogamous, bonds with one female for life, even if he's presented with other, fertile females. His cousin, the montane vole, is kind of a hit-and-run guy. He doesn't stick around at all. Scientists found that the montane vole had a short version of the vasopressin receptor gene, and the monogamous one had a long version...