In mice, black coat color is dominant to white coat color. In the pedigree below, mice with a black coat are represented by darkened symbols, and those with white coats are shown as open symbols. What is the probability that I- 1, I- 2, II- 2, AND III- 1 are all heterozygous?
A) 2/3
B) 1/2
C) 0
D) 1
E) 1/4

Question

In mice, black coat color is dominant to white coat color. In the pedigree below, mice with a black coat are represented by darkened symbols, and those with white coats are shown as open symbols.  What is the probability that I- 1, I- 2, II- 2, AND III- 1 are all heterozygous?
A) 2/3 
B) 1/2 
C) 0 
D) 1 
E) 1/4

Quizplus · Accepted Answer

The Answer of In mice, black coat color is dominant to white coat color. In the pedigree below, mice with a black coat are represented by darkened symbols, and those with white coats are shown as open symbols.  What is the probability that I- 1, I- 2, II- 2, AND III- 1 are all heterozygous?
A) 2/3 
B) 1/2 
C) 0 
D) 1 
E) 1/4

In Mice, Black Coat Color Is Dominant to White Coat