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Published online by Cambridge University Press: 31 July 2008
The allele frequency data of artificial populations were examined by several methods which test whether various configurations of allele frequencies are the result of drift or selection. Although no genotypic selective differences were included in these populations the methods indicated that selection was operating in some instances; hence the models are not reliable. Distinguishing between the actions of drift and selection would be facilitated if data for many loci were included, so that a notion of the variance of the genetic variation measure could be obtained.