cistron

1. 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。
2. Construction and Identification of Eukaryotic Vector Expression Containing Human GM-CSF and B7.1 Fusion Gene from A Single Cistron
   单顺反子表达人GM-CSF和B7.1融合基因真核表达载体的构建和鉴定
3. Properties of the leading Mini cistron of baculovirus gene and a translation attenuating regulation model
   杆状病毒基因前导小顺反子的序列特征及其翻译衰减调控模型
4. Nucleotide sequence of coat protein cistron at 3,-end of southern bean mosaic virus RNA
   南方菜豆花叶病毒外壳蛋白基因序列的分析

noun

1. (genetics) a segment of DNA that is involved in producing a polypeptide chain
   1. genes were formerly called factors

   Synonym:    genefactor