基因突变
来自维基词典，自由的词典
DNA分之中发生碱基对的替换、增添和缺失，而引起的基因结构的改变，叫基因突变（gene mutation)。它包括单个碱基改变所引起的点突变（point mutation），或多个碱基的缺失、重复和插入。
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