Article
Accumulation of Mutational Load at the Edges of a Species Range.
Molecular biology and evolution - 1 Apr 2018
Willi Yvonne, Fracassetti Marco, Zoller Stefan, Van Buskirk Josh
Abstract excerpt
Why species have geographically restricted distributions is an unresolved question in ecology and evolutionary biology. Here, we test a new explanation that mutation accumulation due to small population size or a history of range expansion can contribute to restricting distributions by reducing population growth rate at the edge. We examined genomic diversity and mutational load across the entire geographic range...
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