| 单词 | reciprocal cross |
| 释义 | > as lemmasreciprocal cross reciprocal cross n. Genetics either of a pair of crosses in which the male parent in one cross is of the same kind as the female parent in the other, and vice versa; a cross which corresponds to another in this way. ΚΠ 1859 C. Darwin Origin of Species viii. 258 By a reciprocal cross between two species, I mean the case, for instance, of a stallion-horse being first crossed with a female-ass, and then a male-ass with a mare. 1948 H. P. Riley Genetics & Cytogenetics vii. 96 When genes are in autosomes reciprocal crosses normally give identical results, but when genes located in the X chromosome are dealt with, the results of reciprocal crosses are different. 2006 Trends Plant Sci. 11 472/1 Hybrid plants produced from a reciprocal cross, generally resemble each other closely. < as lemmas |
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