Article
Rapid parallel adaptation despite gene flow in silent crickets.
Nature communications - 4 Jan 2021
Zhang Xiao, Rayner Jack G, Blaxter Mark, Bailey Nathan W
Abstract excerpt
Gene flow is predicted to impede parallel adaptation via de novo mutation, because it can introduce pre-existing adaptive alleles from population to population. We test this using Hawaiian crickets (Teleogryllus oceanicus) in which 'flatwing' males that lack sound-producing wing structures recently arose and spread under selection from an acoustically-orienting parasitoid. Morphometric and genetic comparisons...
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