Answer:
hereditary variat on selection is made of those genetic variats that well be passed on most effectively to the following generation
Since you forgot to attach the picture that supports your question, it is not very clear. But according to the given data, It seems like she has at least one recessive color blindness allele. I've found the pic that represents the idea of your task, if you have the same, I recommend you to use C to give the answer.