Huntington's disease is an autosomal dominant trait. Given the pedigree below, if individual IV- 2 has three children with a normal man, what is probability that exactly two of the three children would have the disorder?
A) 3/8
B) 7/8
C) 0
D) 1/2
E) 1/8

Question

Huntington's disease is an autosomal dominant trait. Given the pedigree below, if individual IV- 2 has three children with a normal man, what is probability that exactly two of the three children would have the disorder? 
A) 3/8 
B) 7/8 
C) 0 
D) 1/2 
E) 1/8

Quizplus · Accepted Answer

The Answer of Huntington's disease is an autosomal dominant trait. Given the pedigree below, if individual IV- 2 has three children with a normal man, what is probability that exactly two of the three children would have the disorder? 
A) 3/8 
B) 7/8 
C) 0 
D) 1/2 
E) 1/8

Huntington's Disease Is an Autosomal Dominant Trait