Application of the cis - trans test defines the genetic unit of function, the cistron.
顺? 反 测验可以用来确定遗传的功能单位――顺反子.
辞典例句
英英释义
Noun
1. (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity;