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Intralocus Sexual Conflict Across the Genome

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Encyclopedia of Evolutionary Psychological Science

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Synonyms

Cross-sex antagonistic pleiotropy; Genetic conflict between the sexes; Sexual antagonism; Sexually antagonistic genetic variation; Sexually antagonistic polymorphism

Definition

How the loci harboring alleles with opposite fitness effects on the sexes are distributed across the genetic material in a cell: the sex chromosomes, autosomes and organelles such as mitochondria.

Introduction

Female and male reproductive roles are different, and consequently many phenotypic traits are selected in opposite directions in the two sexes, a process called sexually antagonistic (SA) selection. How traits respond to SA selection in each sex is, however, not straightforward. Depending on species, males and females possess a majority or all of the same genes. The shared gene variants (called alleles) cause a strong genetic correlation between the sexes, and the opposing selection pressures therefore lead to a tug-of-war, termed “intralocus sexual conflict,” over optimal expression of phenotypes...

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References

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Author information

Authors and Affiliations

  1. Department of Ecology and Genetics, Uppsala University, Uppsala, Sweden

    Elina Immonen

Authors
  1. Elina Immonen
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Corresponding author

Correspondence to Elina Immonen .

Editor information

Editors and Affiliations

  1. Department of Psychology, Oakland University, Rochester, Michigan, USA

    Todd K. Shackelford

  2. Rochester, Michigan, USA

    Viviana A. Weekes-Shackelford

Section Editor information

  1. University of Redlands, Redlands, CA, USA

    Catherine Salmon

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Immonen, E. (2018). Intralocus Sexual Conflict Across the Genome. In: Shackelford, T., Weekes-Shackelford, V. (eds) Encyclopedia of Evolutionary Psychological Science. Springer, Cham. https://doi.org/10.1007/978-3-319-16999-6_3075-1

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  • DOI: https://doi.org/10.1007/978-3-319-16999-6_3075-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-16999-6

  • Online ISBN: 978-3-319-16999-6

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