下列有关可遗传变异的叙述，正确的是(  )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20828' and id < 1816114 and id<>'1816114' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20828' and id > 1816114 and id<>'1816114' order by id asc limit 5