AP BIOLOGY

ANIMAL PHYSIOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Parents have genotype AABb and Aabb. What is the chance their offspring will be AaBb?
A
0
B
1/4 or 25%
C
2/4 or 50%
D
3/4 or 75%
E
4/4 or 100%
Explanation: 

Detailed explanation-1: -The homozygous gametes separate from the dihybrid parents. The heterozygous progeny is formed when these gametes fuse together. As a result, all of the offspring are Heterozygous AaBb. The ratio of F, genotypes between AABB, AaBB, Aabb, and aabb in a hybrid between AABB and aabb would be 1 : 2 : 2 : 1.

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