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Selection and genetic (co)variance in bighorn sheep.

Evolution; international journal of organic evolution - 1 Jun 2005

Coltman David W, O'Donoghue Paul, Hogg John T, Festa-Bianchet Marco

Abstract excerpt

Genetic theory predicts that directional selection should deplete additive genetic variance for traits closely related to fitness, and may favor the maintenance of alleles with antagonistically pleiotropic effects on fitness-related traits. Trait heritability is therefore expected to decline with the degree of association with fitness, and some genetic correlations between selected traits are expected to be...

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PMID: 16050112

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

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