Home >  Term: genetic variation
genetic variation

1) The phenotypic and genotypic differences among individuals in a population.

2) A phenotypic variance of a trait in a population attributed to genetic heterogeneity.

3) Genetic variation refers to diversity in gene frequencies. Genetic variation can refer to differences between individuals or to differences between populations. Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.

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