Dihybrid Cross Phenotypic Ratios
Two heterozygous mice are crossed. The allele A for black coat color is dominant over the allele a for white coat color, and the allele B for a solid coat is dominant over the allele b for a spotted coat. The results of the cross are shown in the table. What proportion of the resulting offspring will have black, spotted coats?
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A
0.063
B
0.25
C
0.563
D
0.375
E
0.188

