bottleneck

(redirected from Bottleneck (computer science))
Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.
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
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005