If all the offspring of a cross had the genotype AaBb,the parents of the cross would most likely be
A) AABB × aabb.
B) AAbb × aaBB.
C) AaBb × AaBb.
D) Aabb × aaBb.
E) AABB × aabb or AAbb × aaBB.

Question

Quizplus · Accepted Answer

If all the offspring of a cross had the genotype AaBb, the parents of the cross would most likely be AABB × aabb or AAbb × aaBB. This is because the only way to get all offspring with the genotype AaBb is if one parent has the genotype AABB and the other parent has the genotype aabb, or if one parent has the genotype AAbb and the other parent has the genotype aaBB.

If All the Offspring of a Cross Had the Genotype