单项选择题
根据遗传学原理,豌豆的红花纯合基因型和白花纯合基因型杂交后,在F2代红花植株出现的概率为0.75,白花植株出现的概率为0.25。若每次观察5株,得3株红花2株白花的概率为()。
A.3×0.753×0.252
B.5×0.753×0.252
C.10×0.753×0.252
D.10×0.752×0.253
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单项选择题
A.3×0.753×0.252
B.5×0.753×0.252
C.10×0.753×0.252
D.10×0.752×0.253
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