W. Affected individuals are indicated by a dark square or circle.
- What is the likelihood that the offspring of IV-3 and IV-4 will have the trait?
A) 0%
B) 50%
C) 75%
D) 100%

Question

W. Affected individuals are indicated by a dark square or circle. 
- What is the likelihood that the offspring of IV-3 and IV-4 will have the trait?
A) 0% 
B) 50% 
C) 75% 
D) 100%

Quizplus · Accepted Answer

IV-3 and IV-4 are both heterozygous carriers of the dominant W allele, as indicated by their shaded circles, meaning they each have a 50% chance of passing the allele on to their offspring. Therefore, their offspring have a 50% chance of inheriting the W allele and exhibiting the trait.

W Affected Individuals Are Indicated by a Dark Square or Circle