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
出现短缺（像是缺失启动子）或序列发生错误使
坏，它们就成了伪。
词
正的;But if the gene copy contains disabling typos or is missing pieces of the original, such as the promoter, it will become a pseudogene.
但如果出现短缺（像是缺失启动子）或序列发生错误使坏，它们就成了伪。
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