modifier gene

1. A recessive mutation of the modifier ( m) gene eliminates the SI response in stigma.
   修饰基因的隐性突变可以消除柱头中的SI反应。
2. The way to solve this problem in breeding is to use the hard endosperm modifier ( gene) and to select hard or semi-hard O2 inbred lines with higher kernel volume weight.
   育种上解决的途径是利用硬胚乳修饰基因选育子粒容重较高的硬胚乳或半硬胚乳O2自交系。

noun

1. a gene that modifies the effect produced by another gene

   Synonym:    modifier