heritable obligation

例句：

1. 1. The ability to inherit wealth is a heritable trait.
   继承财富的能力是一种可遗传的特征。
2. 2.Hereditary diseases can be passed down from parents to their children.
   遗传性疾病可以由父母传给子女。
3. 3.The gene for blue eyes is heritable, meaning it can be passed down from one generation to the next.
   蓝眼睛的基因是可遗传的，这意味着它可以从一代传至另一代。