相關字詞組
最近查詢過的單字

天火字典

英英字典: test-cross




Overview of noun test-cross

The noun test-cross has 1 sense


  • testcross, test-cross -- (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)

返回 →