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插入 (遗传学)

一个染色体被外来的一个染色体片段插入。

插入（英语：Insertion）是指一个或多个核苷酸碱基对插入DNA序列中，经常发生于微卫星区域。若以染色体层次来说，则是指一段染色体片段插入另一条染色体，常发生在减数分裂时，染色体发生互换的时候。

参见

突变的机制

结构突变

点突变	无义突变（英语：nonsense mutation）错义突变无表型突变（英语：silent mutation）（沉默突变）移码突变动态突变（英语：Dynamic mutation）

大规模突变	染色体易位染色体倒位

突变对总体健康的影响

有害突变
有利突变
中性突变（英语：Neutral mutation）
近中性突变
以上突变影响-英文介绍（英语：Mutation#By_effect_on_fitness_(harmful,_beneficial,_neutral_mutations)）
同义突变（英语：Synonymous substitution）
非同义突变（英语：Nonsynonymous substitution）

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