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Article

Coevolution fails to maintain genetic variation in a host-parasite model with constant finite population size.

Theoretical population biology - 1 Feb 2021

MacPherson Ailene, Keeling Matthew J, Otto Sarah P

Abstract excerpt

Coevolutionary negative frequency-dependent selection has been hypothesized to maintain genetic variation in host and parasites. Despite the extensive literature pertaining to host-parasite coevolution, the temporal dynamics of genetic variation have not been examined in a matching-alleles model (MAM) with a finite population size relative to the expectation under neutral genetic drift alone. The dynamics of the...

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PMID: 33340528
DOI: 10.1016/j.tpb.2020.12.001

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