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Geir H. Bolstad, Christophe Pélabon, Line-K. Larsen, Ian A. Fleming, Åslaug Viken and Gunilla Rosenqvist The effect of purging on sexually selected traits through antagonistic pleiotropy with survival Ecology and Evolution 2

Article first published online: 3 MAY 2012 | DOI: 10.1002/ece3.246

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We showed that the negative effect of inbreeding on the orange coloration in the guppy most likely results from the purging of recessive alleles that negatively affect survival but positively affect orange coloration. This result supports R. A. Fisher's prediction that sexually selected traits evolve to a point where their positive effects on reproductive success are counterbalanced by their negative effect on survival.

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