The following questions refer to the pedigree chart in Figure 14.2 for a family, some of whose members exhibit the dominant trait, W. Affected individuals are indicated by a dark square or circle.

The following questions refer to the pedigree chart in Figure 14.2 for a family, some of whose members exhibit the dominant trait, W. Affected individuals are indicated by a dark square or circle.



1) What is the genotype of individual II-5?

A) WW
B) Ww
C) ww
D) WW or ww
E) ww or Ww

Answer:  C

2) What is the likelihood that the progeny of IV-3 and IV-4 will have the trait?

A) 0%
B) 25%
C) 50%
D) 75%
E) 100%

Answer:  C

3) What is the probability that individual III-1 is Ww?

A) 3/4
B) 1/4
C) 2/4
D) 2/3
E) 1

Answer:  E