多基因遗传的遗传基础是2对或2对以上微效基因，这些基因的性质是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24533' and id < 2108114 and id<>'2108114' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24533' and id > 2108114 and id<>'2108114' order by id asc limit 5