Asymmetric Postmating Isolation: Darwin's Corollary to Haldane's Rule

From: Genetics | Date: June 1, 2007| Author: Turelli, Michael; Moyle, Leonie C | Copyright information

ABSTRACT

Asymmetric postmating isolation, where reciprocal interspecific crosses produce different levels of fertilization success or hybrid sterility/inviability, is very common. Darwin emphasized its pervasiveness in plants, but it occurs in all taxa assayed. This asymmetry often results from Dobzhansky-Muller incompatibilities (DMIs) involving uniparentally inherited genetic factors (e.g., gametophyte-sporophyte interactions in plants or cytoplasmic-nuclear interactions). Typically,...

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