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Hybridization May Promote Variation in Cognitive Phenotypes in Experimental Guppy Hybrids.

The American naturalist - 1 Oct 2022

Vila-Pouca Catarina, Vedder Sijmen, Kotrschal Alexander

Abstract excerpt

AbstractHybridization is an important mechanism of evolution. While hybrids often express inferior traits and are selected against, hybridization can promote phenotypic variation and produce trait combinations distinct from the parentals, generating novel adaptive potential. Among other traits, hybridization can impact behavior and cognition and may reinforce species boundaries when hybrids show decreased...

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PMID: 36150200
DOI: 10.1086/720731

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