12.10 A color-blind of normal vision. They have sons and daugh- ters, all of normal vision and all of whom marry persons of normal vision. Where among the grandchildren may color blind- ness be expected to appear? If there are cousin marriages among these grandchildren, where among their offspring may color blind- ness be expected to appear? (All persons of normal vision mentioned are homozygous.
Colour blindness is a hereditary disease which means it is passed from one generation to the other.
Its inheritance is related to one of the allosomes or sex chromosomes. It gets e...