单词 | substrain |
释义 | > as lemmassubstrain substrain n. Brit. , U.S. Biology a strain of an animal, plant, microorganism, cell line, etc., which is derived from another strain; a subdivision of a strain.ΘΚΠ the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > descent from common ancestor substrain1879 homophyly1883 monophyletism1913 monophyly1929 monophylesis1947 1879 W. S. Blunt in A. Blunt Bedouin Tribes Euphrates xxviii. 440 All breeds except the last six have at least one substrain..and these substrains only are used in choosing sires. 1913 Lancet 9 Aug. 417/2 Four of these carcinomatous substrains have been kept growing. 1957 Times 29 July 16/3 The laboratory tests have shown that this is a hitherto unknown strain of Virus ‘A’ influenza, of which there are various sub-strains known already. 2008 W. R. Clark Bracing for Armageddon ii. 34 There are numerous genetic substrains of anthrax, and these can be identified by their individual DNA fingerprints. < as lemmas |
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