Ancient trans-specific polymorphism at pheromone receptor genes in basidiomycetes.


In the majority of sexual organisms, reproduction occurs almost exclusively through the combination of distinct and alternate forms, called sexes or mating types. In some fungi, there can be dozens to hundreds of alternate alleles that determine compatible mating types. Such extensive polymorphism is expected to be maintained by balancing selection, and in… (More)
DOI: 10.1534/genetics.108.093708


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