在一个100人的群体中，AA为60%，Aa为20%，aa为20%，那么该群体中

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24544' and id < 2107790 and id<>'2107790' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24544' and id > 2107790 and id<>'2107790' order by id asc limit 5