The maintenance of obligate sex in finite, structured populations subject to recurrent beneficial and deleterious mutation.

Abstract excerpt

Although there is no known general explanation as to why sexual populations resist asexual invasion, previous work has shown that sexuals can outcompete asexuals in structured populations. However, it is currently unknown whether costly sex can be maintained with the weak structure that is commonly observed in nature. We investigate the conditions under which obligate sexuals resist asexual invasion in structured...

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