题目内容
数量性状遗传的特征是
2021-09-28
A.由环境因素决定
B.由主基因决定
C.由2对或2对以上微效基因决定
D.群体变异曲线呈单锋
E.由一对显性基因决定
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SQL Error: select id,body,options from ***_enewstiku where sourceid='24533' and id < 2108131 and id<>'2108131' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24533' and id > 2108131 and id<>'2108131' order by id asc limit 5