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Genetic Drift of Allele Frequency

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p
Genetic drift is the random change in allele frequencies due to sampling a finite number of parents. The chart shows the allele frequency as it changes under random genetic drift in a haploid, Wright–Fisher population model with 1000 individuals. A mutant allele is initially present at a frequency
p
that you can vary with the left-hand slider; it will eventually rise to fixation or be lost. Each individual descends from a single parent in the previous generation, chosen randomly from 1000 possible parents.
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