7
Pedigree
The inheritance pattern for an autosomal dominant trait is
shown in the pedigree. Shaded symbols represent
individuals that express the dominant trait.
Based on this pedigree, what are the most likely
genotypes of individuals I-1 and I-2?
II
A
I-1: aa
1-2: Aa
B
I-1: AA
1-2: Aa
С
I-1: Aa
I-2: aa
D
I-1: aa
I-2: AA