| 单词 | pure-breeding |
| 释义 | > as lemmaspure-breeding pure-breeding n. and adj. (a) n. the production of genetically similar progeny (cf. pure-bred adj.); (b) adj. producing genetically similar progeny. ΚΠ 1903 Biometrika 2 171 This does not help us to decide whether the relative inability to transmit whiteness is due to in-breeding or pure-breeding. 1922 R. C. Punnett Mendelism (ed. 6) ix. 88 The cock in a pure breeding strain of Plymouth Rocks is homozygous for the barring factor. 1964 D. Michie in G. H. Haggis et al. Introd. Molecular Biol. viii. 206 Griffith injected mice with living pneumococci of a pure-breeding strain lacking the polysaccharide capsule characteristic of most members of this species. 1990 Dogworld Aug. 109/2 Pure breeding is fine when things are going well, but disastrous when inbred faults such as weak hindquarters are being perpetuated. < as lemmas |
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