University of Auckland's Matthew Goddard tells New Scientist that "all else being equal, the sexual populations should be outcompeted by asexual populations." That's because an asexual species "should adapt more quickly to a specific niche in the environment" than their counterparts, the magazine adds. "Gene mixing between sexual individuals from different niches will produce maladapted hybrids that will not reliably pass on useful adaptations."

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

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