Article
The evolution of postzygotic isolation: accumulating Dobzhansky-Muller incompatibilities.
Evolution; international journal of organic evolution - 1 Jun 2001
Orr H A, Turelli M
Abstract excerpt
Hybrid sterility and inviability often result from the accumulation of substitutions that, while functional on their normal genetic backgrounds, cause a loss of fitness when brought together in hybrids. Previous theory has shown that such Dobzhansky-Muller incompatibilities should accumulate at least as fast as the square of the number of substitutions separating two species, the so-called snowball effect. Here...
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