minor gene

例句：

1. 1.The minor gene responsible for the disease is still unknown.
   导致这种疾病的次要基因仍然未知。
2. 2.Researchers are exploring the role of minor genes in disease development.
   研究人员正在探索次要基因在疾病发展中的作用。
3. 3. Minor genes can sometimes have a significant impact on an organism's survival and reproduction.
   次要基因有时对生物的生存和繁殖有重大影响。