neutral mutation random drift hypothesis

例句：

1. 1. The study of genetics has led to the discovery of neutral mutations that can be beneficial for humans.
   遗传学的研究导致了中性突变的发现，这些突变对人类是有益的。
2. 2. In the field of ecology, random drift is often used to explain how species distributions change over time.
   在生态学领域，随机漂移经常被用来解释物种分布随时间的变化。
3. 3.The hypothesis suggests that neutral mutations play a role in the evolution of life on Earth.
   该假设认为中性突变在地球上生命的进化中起着作用。