Abstract:In haploid species, sexual reproduction by selfing lacks the common benefits from recombination and is indistinguishable from asexual reproduction at the genetic level. Nevertheless, the evolution of self-compatibility, known as homothallism in organisms with mating types, has occurred hundreds of times in fungi. Two main hypotheses have been proposed for the evolution of homothallism. First, that homothallism offers reproductive assurance, which is especially important when species have an obligatory sexual p… Show more
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