transition mutation

例句：

1. 1. Thetransition from one species to another is agradual process that requires careful monitoring.
   从一种物种到另一种物种的过渡是一个逐渐的过程，需要仔细监测。
2. 2. During thetransition period, it's important toensure that all systems are functioning properly.
   过渡期间，确保所有系统正常运行是很重要的。
3. 3. Thetransition mutation has led to significant changes inthe genetic makeup of the population.
   过渡突变已经导致种群的遗传构成发生了显著变化。