Dictionary of Human Evolution and Biology

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Sexual Selection

Differential ability of individuals of variable genotypes to acquire mates; also, the process by which characters evolve in one sex only, to facilitate reproductive success as the result of competition among members of that sex for access to mating opportunities with the opposite sex, and the subsequent choices by members of that opposite sex among the competitors. A mechanism of evolution suggested by Charles Darwin in 1871.

See assortative mating, intrasexual selection, epigamic selection, and female mate choice.

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