hereditary factor

例句：

1. 1. The gene for blue eyes is inherited from our parents.
   蓝眼睛的基因从我们的父母那里继承而来。
2. 2.He inherited his grandfather's love of music from his grandmother.
   他继承了祖父对音乐的热爱，来自他的祖母。
3. 3.Hereditary diseases are often passed down through generations.
   遗传性疾病常常通过世代相传。