Dictionary of Human Evolution and Biology

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Fisherism

Views held or proposed by R. A. Fisher that stressed the importance of selection and emphasized the gene as the unit of selection, the particulate nature of inheritance, and the almost exclusive prevalence of additive inheritance. For Fisher, evolution was defined as a change in allele frequencies within a population between generations. Most of Fisher’s views are now seen as a subset of neoDarwinism, which then led to the modern synthesis of the 1940s.

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