标准型Down综合征的核型是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28728' and id < 2343414 and id<>'2343414' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28728' and id > 2343414 and id<>'2343414' order by id asc limit 5