Annals of Clinical Trials and Vaccines Research

Gene Pool Online Journals

In population genetics, gene flow (also referred to as gene migration or allele flow) is that the transfer of genetic variation from one population to a different. If the speed of gene flow is high enough, then two populations are considered to own equivalent allele frequencies and so effectively be one population. it's been shown that it takes only "One migrant per generation" to stop populations from diverging thanks to drift. Gene flow is a very important mechanism for transferring genetic diversity among populations. Migrants change the distribution of genetic diversity within the populations, by modifying the allele frequencies (the proportion of members carrying a specific variant of a gene).      

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