homologous genes

例句：

1. 1. Homologous genes are responsiblefor the development of our bodies.
   同源基因负责我们身体的发育。
2. 2. Thestudy of homologousgenes has led to many breakthroughs in medicine.
   研究同源基因在医学上取得了许多突破。
3. 3. Homologous genes have been found toplay a crucial role in disease resistance.
   研究发现同源基因在疾病抵抗中起着关键作用。