But if the gene copy contains disabling typos or is missing pieces of the original, such as the promoter, it will become a pseudogene.
但如果基因出现短缺（像是缺失启动子）或序列发生错误使基因损坏，它们就成了伪基因。
使用;
;;,修正,
正;;;But if the gene copy contains disabling typos or is missing pieces of the original, such as the promoter, it will become a pseudogene.
但如果基因出现短缺（像是缺失启动子）或序列发生错误使基因损坏，它们就成了伪基因。
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