Bottleneck (computer science) | definition of Bottleneck (computer science) by Medical dictionary
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A marked decrease in gene pool diversity due to a low number of genetically distinct individuals in the population, i.e., a population bred from 2 individuals has far fewer variables on the allelic loci—a bottleneck—than a second population bred from hundreds of individuals
bottleneck a period in the history of a population during which the number of individuals is reduced to a low number, perhaps by disease or extreme environmental conditions. As a result RANDOM GENETIC DRIFT may occur in the population. See also FOUNDER EFFECT.