Dictionary of Human Evolution and Biology

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Eponym for the theory of natural selection of Charles Darwin as proposed in his work On the Origin of Species (1859), i.e. descent with modification. The original mechanism of Darwinism natural selection is still considered valid but has been supplemented by additional data (such as the inheritance system of Mendelian genetics) and synthesized as neo-Darwinism, which proposes additional mechanisms such as mutation, drift, gene flow, and assortative mating. Originally, the term referred to the concepts in Erasmus Darwin’s Zoonomia.

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