| 单词 | test-cross |
| 释义 | test-cross (extremely rare) n WORD FAMILY test-cross n a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring Syn|Hyper testcross cross, crossbreeding, crossing, hybridisation, hybridization, hybridizing, interbreeding (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids |
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