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Nature 399, 737-739 (24 June 1999) | doi:10.1038/21544

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Evolutionary genetics:  No sex please, we're fungi

Ian R. Sanders1

According to evolutionary theory, the advantage of sex is that recombination shuffles together new combinations of genes, thereby producing genetic variation and allowing deleterious mutations to be purged1, 2, 3,. But some extremely successful organisms are both asexual and ancient4: the very existence of such 'scandalous' asexuals5 flies in the face of theory.

  1. Ian R. Sanders is at the Botanisches Institut, Universität Basel, Hebelstrasse 1, 4056 Basel, Switzerland.
    email: sanders@ubaclu.unibas.ch