parasite theory of sex

'parasite theory of sex' can also refer to...


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The proposal by W. D. Hamilton that sexual reproduction has evolved to provide a mechanism to generate the resistance of host species to rapidly multiplying parasites. The genetic recombination which accompanies meiosis (q.v.) rapidly produces new combinations of resistance factors in the host, and these overcome the susceptibility factors which arise more slowly in the parasites by mutation.

Subjects: Genetics and Genomics.

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