Data from: Haploids adapt faster than diploids across a range of environments

Aleeza C Gerstein, Lesley A Cleathero, Mohammad A Mandegar & Sarah P. Otto
Despite a great deal of theoretical attention, we have limited empirical data about how ploidy influences the rate of adaptation. We evolved isogenic haploid and diploid populations of Saccharomyces cerevisiae for 200 generations in seven different environments. We measured the competitive fitness of all ancestral and evolved lines against a common competitor and find that in all seven environments haploid lines adapted faster than diploids, significantly so in three environments. We apply theory that relates...
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