作者: Ivo M. Chelo , Judit Nédli , Isabel Gordo , Henrique Teotónio
DOI: 10.1038/NCOMMS3417
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摘要: A central tenet of population genetics is that the probability fixing beneficial new alleles in a twice their fitness effect, but this has not been empirically proven. Chelo et al. show experimentally, using nematode worms, extinction rates decrease when number increases.