The effect of linkage on establishment and survival of locally beneficial mutations.

Abstract excerpt

We study invasion and survival of weakly beneficial mutations arising in linkage to an established migration-selection polymorphism. Our focus is on a continent-island model of migration, with selection at two biallelic loci for adaptation to the island environment. Combining branching and diffusion processes, we provide the theoretical basis for understanding the evolution of islands of divergence, the genetic...

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