Rapid evolutionary change in a sexual signal: genetic control of the mutation 'flatwing' that renders male field crickets (Teleogryllus oceanicus) mute.

Abstract excerpt

Colonizing events may expose organisms to physical and ecological environments found nowhere else in their range. Novel selection pressures can then influence subsequent rapid evolutionary changes. Here, I investigate the genetics of one such rapid change in the sexual signal of Polynesian field crickets, Teleogryllus oceanicus, that recently colonized the Hawaiian Islands. In Hawaii, T. oceanicus encounter a...

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