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Sex-biased gene expression and sexual conflict throughout development

journal contribution
posted on 2023-06-08, 23:59 authored by Fiona C Ingleby, Ilona Flis, Ted Morrow
Sex-biased gene expression is likely to account for most sexually dimorphic traits because males and females share much of their genome. When fitness optima differ between sexes for a shared trait, sexual dimorphism can allow each sex to express their optimum trait phenotype, and in this way, the evolution of sex-biased gene expression is one mechanism that could help to resolve intralocus sexual conflict. Genome-wide patterns of sex-biased gene expression have been identified in a number of studies, which we review here. However, very little is known about how sex-biased gene expression relates to sex-specific fitness and about how sex-biased gene expression and conflict vary throughout development or across different genotypes, populations, and environments. We discuss the importance of these neglected areas of research and use data from a small-scale experiment on sex-specific expression of genes throughout development to highlight potentially interesting avenues for future research.

History

Publication status

  • Published

Journal

Cold Spring Harbor Perspectives in Biology

ISSN

1943-0264

Publisher

Cold Spring Harbor Laboratory Press

Issue

1

Volume

7

Article number

a017632

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2016-01-15

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    University of Sussex (Publications)

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