单词 | true-breeding |
释义 | > as lemmastrue-breeding true-breeding adj. designating a class or group of organisms which reliably pass one or more physical traits on to their offspring; frequently with for. ΚΠ 1903 Biol. Bull. 4 243 It is obvious that in the germ-cells of true-breeding hybrids there can be no qualitative reduction. 1941 Amer. Naturalist 75 352 These inbred lines are not true breeding for a given level of fertility. 2009 R. J. Brooker Genetics (ed. 2) ii. 42 A cross was made between true-breeding flies with curved wings and gray bodies to flies with straight wings and ebony bodies. < as lemmas |
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