问题描述:
问题解答:
有16种可能,概率分别为1\16AABB 2\16AABb1\16AAbb2\16AaBB 4\16AaBb2\16Aabb 1\16aaBB 2\16aaBb1\16aabb
AaBb自交AABBAABbAAbbAaBBAaBbAabbaaBBaaBbaabb