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Postmating sexual selection favors males that sire offspring with low fitness

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Postmating sexual selection favors males that sire offspring with low fitness. / Bilde, T.; Foged, Anne; Schilling, Nadia et al.

In: Science, Vol. 324, 2009, p. 1705-1706.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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Bilde, T, Foged, A, Schilling, N & Arnqvist, G 2009, 'Postmating sexual selection favors males that sire offspring with low fitness', Science, vol. 324, pp. 1705-1706. https://doi.org/10.1126/science.1171675

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Author

Bilde, T. ; Foged, Anne ; Schilling, Nadia et al. / Postmating sexual selection favors males that sire offspring with low fitness. In: Science. 2009 ; Vol. 324. pp. 1705-1706.

Bibtex

@article{26bf0900aa9011dea554000ea68e967b,
title = "Postmating sexual selection favors males that sire offspring with low fitness",
abstract = "Despite the costs of mating, females of most taxa mate with multiple males. Polyandrous females are hypothesized to gain genetic benefits for their offspring, but this assumes paternity bias favoring male genotypes that enhance offspring viability. We determined net male genetic effects on female and offspring fitness in a seed beetle and then tested whether fertilization success was biased in favor of high-quality male genotypes in double mating experiments. Contrary to expectations, high-quality male genotypes consistently had a lower postmating fertilization success in two independent assays. Our results imply that sexually antagonistic adaptations have a major and unappreciated influence on male postmating fertilization success. Such genetic variation renders indirect genetic benefits an unlikely driver of the evolution of polyandry. ",
author = "T. Bilde and Anne Foged and Nadia Schilling and G{\"o}ran Arnqvist",
year = "2009",
doi = "10.1126/science.1171675",
language = "English",
volume = "324",
pages = "1705--1706",
journal = "Science",
issn = "0036-8075",
publisher = "AMER ASSOC ADVANCEMENT SCIENCE",

}

RIS

TY - JOUR

T1 - Postmating sexual selection favors males that sire offspring with low fitness

AU - Bilde, T.

AU - Foged, Anne

AU - Schilling, Nadia

AU - Arnqvist, Göran

PY - 2009

Y1 - 2009

N2 - Despite the costs of mating, females of most taxa mate with multiple males. Polyandrous females are hypothesized to gain genetic benefits for their offspring, but this assumes paternity bias favoring male genotypes that enhance offspring viability. We determined net male genetic effects on female and offspring fitness in a seed beetle and then tested whether fertilization success was biased in favor of high-quality male genotypes in double mating experiments. Contrary to expectations, high-quality male genotypes consistently had a lower postmating fertilization success in two independent assays. Our results imply that sexually antagonistic adaptations have a major and unappreciated influence on male postmating fertilization success. Such genetic variation renders indirect genetic benefits an unlikely driver of the evolution of polyandry.

AB - Despite the costs of mating, females of most taxa mate with multiple males. Polyandrous females are hypothesized to gain genetic benefits for their offspring, but this assumes paternity bias favoring male genotypes that enhance offspring viability. We determined net male genetic effects on female and offspring fitness in a seed beetle and then tested whether fertilization success was biased in favor of high-quality male genotypes in double mating experiments. Contrary to expectations, high-quality male genotypes consistently had a lower postmating fertilization success in two independent assays. Our results imply that sexually antagonistic adaptations have a major and unappreciated influence on male postmating fertilization success. Such genetic variation renders indirect genetic benefits an unlikely driver of the evolution of polyandry.

U2 - 10.1126/science.1171675

DO - 10.1126/science.1171675

M3 - Journal article

C2 - 19556506

VL - 324

SP - 1705

EP - 1706

JO - Science

JF - Science

SN - 0036-8075

ER -