In a heterozygous individual for a certain trait,the dominant allele gives Huntington's disease.What is the masked,recessive trait in this individual?
A)Normal vision
B)Normal digits
C)Normal nervous system
D)Polydactyly
E)Straight thumb

Question

Quizplus · Accepted Answer

Since the dominant allele is causing Huntington's disease, it must be paired with a recessive allele that is not causing any noticeable effects. The only option on the list related to the nervous system is "normal nervous system" (C) and therefore, it is the best choice for the masked, recessive trait in this individual.

In a Heterozygous Individual for a Certain Trait,the Dominant Allele