Females tend to prefer genetically similar mates in an island population of house sparrows.

TitleFemales tend to prefer genetically similar mates in an island population of house sparrows.
Publication TypeJournal Article
Year of Publication2014
JournalBMC evolutionary biology
Volume14
Issue1
Pagination47
Date Published2014
Abstract

It is often proposed that females should select genetically dissimilar mates to maximize offspring genetic diversity and avoid inbreeding. Several recent studies have provided mixed evidence, however, and in some instances females seem to prefer genetically similar males. A preference for genetically similar mates can be adaptive if outbreeding depression is more harmful than inbreeding depression or if females gain inclusive fitness benefits by mating with close kin. Here, we investigated genetic compatibility and mating patterns in an insular population of house sparrow (Passer domesticus), over a three-year period, using 12 microsatellite markers and one major histocompability complex (MHC) class I gene. Given the small population size and the distance from the mainland, we expected a reduced gene flow in this insular population and we predicted that females would show mating preferences for genetically dissimilar mates.

URLhttps://bmcevolbiol.biomedcentral.com/articles/10.1186/1471-2148-14-47
DOI10.1186/1471-2148-14-47
Short TitleBMC Evol Biol
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