群体中基因频率和基因型频率代代不变的一定条件是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24542' and id < 2107900 and id<>'2107900' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24542' and id > 2107900 and id<>'2107900' order by id asc limit 5