下列情况中不属于染色体变异的是

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20833' and id < 1816641 and id<>'1816641' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20833' and id > 1816641 and id<>'1816641' order by id asc limit 5