fractional mutant

• 部分突变体

fractional mutant的用法和样例：

例句

1. The mutant DNA miscoded a single amino acid.
   突变体脱氧核糖核酸误编了一个氨基酸密码。
2. Brassica napus line Apet33-10 is an apetalous mutant which is controlled by one gene locus.
   是一个单基因控制的无花瓣甘蓝型油菜突变体。
3. Benzer's map of the rII region generated from crosses of 60 different mutant T4 strains.
   利用重组法进行重组测验，计算各种突变型的重组值。