testcross
'testkrɔs;-krɔ:s
基本解释
n. 测交(一种使杂种子一代与隐性类型交配以测定杂种子一代遗传型的方法)
英文释义
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
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