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The scope and strength of sex-specific selection in genome evolution

Alison E. Wright,Alison E. Wright,J. Mank

Published 2013 in Journal of Evolutionary Biology

ABSTRACT

Males and females share the vast majority of their genomes and yet are often subject to different, even conflicting, selection. Genomic and transcriptomic developments have made it possible to assess sex‐specific selection at the molecular level, and it is clear that sex‐specific selection shapes the evolutionary properties of several genomic characteristics, including transcription, post‐transcriptional regulation, imprinting, genome structure and gene sequence. Sex‐specific selection is strongly influenced by mating system, which also causes neutral evolutionary changes that affect different regions of the genome in different ways. Here, we synthesize theoretical and molecular work in order to provide a cohesive view of the role of sex‐specific selection and mating system in genome evolution. We also highlight the need for a combined approach, incorporating both genomic data and experimental phenotypic studies, in order to understand precisely how sex‐specific selection drives evolutionary change across the genome.

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