Article
Evolution of dominance in sporophytic self-incompatibility systems: I. Genetic load and coevolution of levels of dominance in pollen and pistil.
Evolution; international journal of organic evolution - 1 Sept 2009
Llaurens Violaine, Billiard Sylvain, Castric Vincent, Vekemans Xavier
Abstract excerpt
Recent theoretical advances have suggested that various forms of balancing selection may promote the evolution of dominance through an increase of the proportion of heterozygote genotypes. We test whether dominance can evolve in the sporophytic self-incompatibility (SSI) system in plants. SSI prevents mating between individuals expressing identical SI phenotypes by recognition of pollen by pistils, which avoids...
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