The costs of evolving resistance in heterogeneous parasite environments.


The evolution of host resistance to parasites, shaped by associated fitness costs, is crucial for epidemiology and maintenance of genetic diversity. Selection imposed by multiple parasites could be a particularly strong constraint, as hosts either accumulate costs of multiple specific resistances or evolve a more costly general resistance mechanism. We used… (More)
DOI: 10.1098/rspb.2011.2259

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