fitness

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fitness

[′fit·nəs]
(genetics)
A measure of reproductive success for a genotype, based on the average number of surviving progeny of this genotype as compared to the average number of other, competing genotypes.
References in periodicals archive ?
Furthermore, says Kauffman, "there's no natural way of scaling the fitnesses of these models to actual chemical affinities," as scientists would do in correlating thermometer readings to physical events like freezing and boiling of water.