Two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b.What is the probability of producing an A_B_ phenotype from a cross aabb × AABB?
A)1/4
B)1/2
C)1/16
D)9/16
E)1 (100%)

Question

Quizplus · Accepted Answer

Since the cross is between homozygous recessive (aabb) and homozygous dominant (AABB) individuals, all offspring will inherit an A allele from one parent and a B allele from the other, resulting in a 100% probability of an A_B_ phenotype.

Two Gene Loci, a and B, Assort Independently, and Alleles