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Article

Adaptation to a steep environmental gradient and an associated barrier to gene exchange in Littorina saxatilis.

Evolution; international journal of organic evolution - 1 Feb 2006

Grahame John W, Wilding Craig S, Butlin Roger K

Abstract excerpt

Steep environmental gradients offer important opportunities to study the interaction between natural selection and gene flow. Allele frequency clines are expected to form at loci under selection, but unlinked neutral alleles may pass easily across these clines unless a generalized barrier evolves. Here we consider the distribution of forms of the intertidal gastropod Littorina saxatilis, analyzing shell shape and...

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PMID: 16610319

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Adaptation to a steep environmental gradient and an associated barrier to gene exchange in Littorina saxatilis.PMID 16610319Read ↗

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