- Theodosius (Gri·go·ri·e·vich) [gri-gawr-ee-uh-vich, -gohr-] /grɪˈgɔr i ə vɪtʃ, -ˈgoʊr-/, 1900–75, U.S. geneticist, born in Russia.
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- Theodosius. 1900–75, US biologist, born in Russia, noted for work on evolution and genetic variation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Russian-born American geneticist. His Genetics and the Origin of the Species (1937) synthesized Mendel's laws of heredity and Darwinian theory. He is also known for his study of the fruit fly Drosophilia, which showed a large degree of genetic variation within a population.
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