base pair substitution

例句：

1. 1. The process of base pair substitution is crucial for genetic variation.
   碱基对替换过程对于遗传变异至关重要。
2. 2.In DNA replication, base pair substitution can lead to errors in the replication process.
   在DNA复制过程中，碱基对替换可能导致复制过程出错。
3. 3. Scientists are studying the effects of base pair substitution on protein function.
   科学家们正在研究碱基对替换对蛋白质功能的影响。