Bridges, Calvin Blackman

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Bridges, Calvin Blackman,

1889–1938, American geneticist, b. Schuyler Falls, N.Y., grad. Columbia (B.S., 1912; Ph.D., 1916). In his research he collaborated with T. H. Morgan, A. H. Sturtevant, and H. J. Muller, the group that developed many of the concepts of modern genetics through their study of the fruit fly, Drosophila. He continued with the Morgan group as a research associate of the Carnegie Institution in Washington from 1919. His contributions to modern genetics include the proof of the chromosome theory of heredity, formulation of the theory of genic balance, and the detailed study of giant salivary chromosomes in relation to the positions of genes. He was coauthor of The Mechanism of Mendelian Heredity (1915).
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His opponent, a fit, flirty, flip-floppy senator named Calvin Bridges, doesn't appear to have much in the way of gravitas, but he could at least get himself motivated to read a briefing book prior to the last presidential debate.
Also at about 6 p.m., Fehlau called the now retired arresting officer, Calvin Bridges, at home.
The invention of linkage mapping in 1912 - largely the inspiration of graduate students Alfred Sturtevant and Calvin Bridges, according to Kohler - rapidly obliged the Drosophilists to "standardize" the fly, that is to remove all unwanted genetic variation and to create an instrument for the recombinant mapping of the genome.