Viewing topic: Variational Theory Of Evolution

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Variational Theory Of Evolution

  • Definition: An evolutionary hypothesis, such as Darwinian natural selection, in which change occurs in the frequencies of alternative genetic characteristics across generations in a population rather than by modification of heredity by characteristics acquired by an organism during its ontogeny.

    Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.

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