testcross的翻译，读音
英/'testkrɔs;-krɔ:s/
释义：
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)
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
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