Colorblindness is an X chromosome-linked, recessive trait. None of the children of a normal mother (X^CX^C) and a colorblind father (X^cY) could possibly be colorblind.

Question

Quizplus · Accepted Answer

A normal mother with genotype X^CX^C can only pass the normal vision allele (X^C) to her children. Since colorblindness is recessive, none of the children will be colorblind as they will all inherit at least one normal vision allele from their mother.

Colorblindness Is an X Chromosome-Linked, Recessive Trait