The study found that some alcoholics had clear personality traits showing up early in childhood.

这项研究发现一些酗酒者早在孩童时就表现出鲜明的个性特征。

Do we inherit traits such as agility and sporting excellence, and musical or artistic ability?

我们会继承诸如敏捷和卓越的运动才能，以及音乐和艺术才能等特性吗？