A woman and her male partner have normal color vision. However, her father and her first son are colorblind. What is her genotype? Use C as the gene for colorblindness.

XCXc

Explanation:

Color blindness is also called as color deficiency. It occurs whenever an individual cannot distinguish between colors or when he or she is not able to see color in a normal way. It occurs mostly with the colors red and green and sometimes occasionally with blues.

Genotype is a collection of genes which are responsible for various genetic traits in the given organism.

In the context, the genotype for the women having normal color vision is XCXc.