将基因型为AaBbCc和AABbCc的向日葵杂交，按基因自由组合规律，后代中基因型为AABBCC的个体比例应为

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20245' and id < 1770126 and id<>'1770126' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20245' and id > 1770126 and id<>'1770126' order by id asc limit 5