Morrissey, M.B.; Walling, Craig A.; Wilson, Alastair J.; Pemberton, Josephine M; Clutton-Brock, Tim H; Kruuk, Loeske
Trade-offs among life-history traits are central to evolutionary theory. In quantitative genetic terms, trade-offs may be manifested as negative genetic covariances relative to the direction of selection on phenotypic traits. Although the expression and selection of ecologically important phenotypic variation are fundamentally multivariate phenomena, the in situ quantification of genetic covariances is challenging. Even for life-history traits, where well-developed theory exists with which to...[Show more]
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