基因数据说明，人类的乱伦率并不比老鼠低，因此不要那么自大，就像每个都是性交的产物一样，每个人身上都有乱伦的基因

https://www.thetech.org/ask-a-geneticist/articles/2016/human-inbreeding-neanderthal/#:~:text=Some%20research%20shows%20that%20the,so%20much%20DNA%20in%20common.