Ificreases genetic diversity within a popedlation Defined as the random change in allele frequencies from generation to the next May reintroduce a previously extinct allele into 1. Genetic drift a population Results in genetic 2. Gene flow homogenization Decreases genetic diversity within a population May cause an allele to become fixed in a population May cause an aticle 60 become fieed after thils process oiceurred Reduces zenietic diversity after thiis process occurred 1. Boktieneck effect May cause ain allelle to beicome extinct after this 2. Foundier effect process occuirred When the majority of a 3. Both the bottieneck effect and population dies founder effect When a subset of the population disperses elsewhere and establishes a new population Match the following mechanisms of evolution to their descriptions. points. Increases genetic diversity within a population Defined as the random change in allele frequencies from generation to the next May reintroduce a previously extinct allele into 1. Genetic drift a population Results in genetic 2. Gene flow homogenization Decreases genetic diversity within a population May cause an allele to become fixed in a population.