Mutation and sexual selection: a test using barn swallows from Chernobyl.

Abstract excerpt

Secondary sexual characters have been hypothesized to be particularly susceptible to the deleterious effects of mutation because the expression of such characters is usually influenced by many more metabolic pathways than are ordinary morphological characters. We tested this hypothesis using the elevated mutation rates in the barn swallow (Hirundo rustica) of the Chernobyl region of Ukraine as a model system. A...

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