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两亲本杂交,其F1代自交F2代中表型分离比例为9:6:1,这是因为基因的( )。
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两亲本杂交,其F1代自交F2代中表型分离比例为9:6:1,这是因为基因的( )。
A、互补作用
B、积加作用
C、累加作用
D、抑制作用
时间:2021-09-06 21:02
关键词:
联大
河南科技大学
护理学
普通遗传学
答案解析
B
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两亲本杂交,其F1代自交F2代中表型分离比例为9:7,这是因为基因的( )。
两亲本杂交,其F1代自交F2代中表型分离比例为9:6:1,这是因为基因的( )。
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