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  1. Evolutionary theory in the 1920s: The nature of the “synthesis”.Sahotra Sarkar - 2004 - Philosophy of Science 71 (5):1215-1226.
    This paper analyzes the development of evolutionary theory in the period from 1918 to 1932. It argues that: (i) Fisher's work in 1918 constituted a not fully satisfactory reduction of biometry to Mendelism; (ii) there was a synthesis in the 1920s but that this synthesis was mainly one of classical genetics with population genetics, with Haldane's The Causes of Evolution being its founding document; (iii) the most important achievement of the models of theoretical population genetics was to show that natural (...)
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  • J. B. S. Haldane, Ernst Mayr and the Beanbag Genetics Dispute.Veena Rao & Vidyanand Nanjundiah - 2011 - Journal of the History of Biology 44 (2):233 - 281.
    Starting from the early decades of the twentieth century, evolutionary biology began to acquire mathematical overtones. This took place via the development of a set of models in which the Darwinian picture of evolution was shown to be consistent with the laws of heredity discovered by Mendel. The models, which came to be elaborated over the years, define a field of study known as population genetics. Population genetics is generally looked upon as an essential component of modern evolutionary theory. This (...)
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  • The Selection of Alleles and the Additivity of Variance.Sahotra Sarkar - 1994 - PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association 1994:3 - 12.
    It is shown that, for technical reasons, the additivity of variance criterion employed by Lloyd (1988) to define a unit of selection is, in almost all models of selection, inconsistent with the possibility that genes are sometimes not the unit of selection. A case when the latter view is particularly attractive is that of heterosis, and the additivity criterion is inadequate in even such an extreme case. The connection between that criterion and the so-called "fundamental theorem of natural selection" is (...)
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