跟着学习了，刚去查了一下字典，嗯，你不说

我就没真正意识到这两个词的不同。

其实哪怕就是基因， 基因变异和基因突变才是生物进化的途径: 下面两句都是引用：

The crucial driver of evolution, Darwin understood, was not nature's sense of purpose, but her sense of humor.

Freaks become norms, and norms become extinct. Monster by monster, evolution advanced” 
― Siddhartha Mukherjee, The Gene: An Intimate History