| 释义 |
wild type Genetics.
The type of strain, gene, or characteristic that prevails among individuals in natural conditions, as opposed to an atypical mutant type. Freq. attrib. or as adj.
[1913C. B. Bridges in Jrnl. Exper. Zool. XV. 587 When a female [Drosophila] with white eyes is mated to a wild male with red eyes, the daughters have red, and the sons, white eyes. ]1914― in Science 17 July 107/2 Half of the wild-type daughters..when out-crossed to barred males..gave exceptions as follows:..Exceptions. 5% of both sexes. Wild type {female}; barred {male}. 1932[see suppressor 2]. 1946Nature 19 Oct. 558/1 These include wild-type strains [of E. coli] with no growth-factor deficiencies, and single mutant types requiring only thiamin or phenylalanine. 1970Sci. Amer. Mar. 103/1 Most mutant genes are nonfunctional or do something very different from wild-type genes, so that they can be easily distinguished. 1970Nature 22 Aug. 806/1 Albinism is monofactorial and is recessive to wild type pigmentation. 1976Ann. Rev. Microbiol. XXX. 90 A number of compounds produce phenocopies of morphological mutants when added to the growth medium of wild type. |