Journal
ANNUAL REVIEW OF ECOLOGY EVOLUTION AND SYSTEMATICS
Volume 39, Issue -, Pages 525-548Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev.ecolsys.39.110707.173542
Keywords
heritability; genetic variance; genotype-environment interactions; natural selection; genomics
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Funding
- Royal Society (London)
- NERC
- Natural Environment Research Council [NE/F001371/1, NE/D008883/1] Funding Source: researchfish
- NERC [NE/F001371/1, NE/D008883/1] Funding Source: UKRI
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Recent years have seen a rapid expansion in the scope of quantitative genetic analyses undertaken in wild populations. We illustrate here the potential For such studies to address fundamental evolutionary questions about the maintenance of genetic diversity and to reveal hidden genetic conflicts or constraints not apparent at the phenotypic level. Trade-offs between different components of fitness, sexually-antagonistic genetic effects, maternal effects, genotype-by-environment interactions, genotype-by-age interactions, and variation between different regions of the genome in localized genetic correlations may all prevent the erosion of genetic variance. We consider ways in which complex interactions between ecological conditions and the expression of genetic variation can lie elucidated, and emphasize the benefits of Conducting selection analyses within a quantitative genetic framework. We also review potential developments associated with rapid advances in genomic technology, in particular the increased availability of extensive market information. Our conclusions highlight the complexity of processes contributing to the maintenance of genetic diversity in wild populations, and underline the value of a quantitative genetic approach in parameterizing models of life-history evolution.
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