Imagine That a Single Dysfunctional Allele for a Given Gene

Multiple Choice

Imagine that a single dysfunctional allele for a given gene could derail our ability to see at birth. How could two people who were blind for that reason have a child with normal vision?

A) If the allele was recessive, the child could carry one dysfunctional and one functional allele.
B) If the allele was dominant, the child could carry only a functional allele.
C) If the child inherited only recessive alleles for that gene, the child would have normal vision.
D) If the child inherited only dominant alleles for that gene, the child would have normal vision would.