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It does not change allele frequencies. It does not change genotype frequencies. It does not violate the assumptions behind the Hardy-Weinberg Principle. It does not occur often enough to be important in evolution.
sexual selection, natural selection, inbreeding, and genetic drift mutation, selection, migration, and genetic drift migration, gene flow, nonrandom mating, and natural selection inbreeding, Hardy-Weinberg, genetic drift, and mutation
It causes allele frequencies to drift up or down, randomly. It is an especially important mechanism in small populations. It is the ultimate source of genetic variability. It occurs when populations drift into new habitats.
It has a frequency of 0.5. It has a frequency of 1.0. It is adaptively advantageous. It is eliminated from the population.
differs between the sexes is more exaggerated in males is used in courtship displays is more exaggerated in females
when individuals experience differential success in obtaining mates when females mate with the first male that comes along when individuals experience differential success in survival when all individuals experience the same reproductive success
genetic drift selection migration mutation
