Calvin Blackman Bridges
Calvin Blackman Bridges
1889-1938
American geneticist who worked in Thomas Hunt Morgan's famous "fly room" at Columbia University. Using mutants of the fruit fly, Drosophila melanogaster, Bridges helped establish the chromosome theory of genetics. Bridges exploited the giant salivary gland chromosomes of the fruit fly to demonstrate a relationship between specific bands on the chromosomes and the linear sequence of genes on linkage maps. His recognition of chromosome banding was one of the key events in the development of modern cytogenetics.
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Fruit Fly , fruit fly • n. a small fly (families Drosophilidae and Tephritidae) that feeds on fruit in both its adult and larval stages.
fruit fly See Drosophila… Flying Lemur , flying lemur (Cynocephalus) See CYNOCEPHALIDAE. Flying Dragon , flying dragon (Draco volans) See AGAMIDAE. Fly (river) , fly1 / flī/ • v. (flies / flīz/ ; past flew / floō/ ; past part. flown / flōn/ ) [intr.] 1. (of a bird or other winged creature) move through the air… gadfly , gadfly •ally, phalli •Adlai • gadfly • blackfly • damselfly •sandfly • barfly • mayfly •Eli, Ely •greenfly • bacilli • multiply • styli •whitefly • w… Botfly , bot·fly / ˈbätˌflī/ • n. (pl. -flies) a stout hairy-bodied fly with larvae that are internal parasites of mammals, in particular: ∎ a fly (Gasterophi…
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Calvin Blackman Bridges