In Humans, Red-Green Color Blindness Is Determined by an X-Linked

Multiple Choice

In humans, red-green color blindness is determined by an X-linked recessive allele (a) , whereas eye color is determined by an autosomal gene, where brown (B) is dominant over blue (b) .If a blue-eyed mother with normal vision has a brown-eyed, color-blind son and a blue-eyed, color-blind daughter, what are the genotypes of both parents and children?

A) The mother is BbX^AX^a, the father bbX^aY, the son bbX^aY, and the daughter BbX^aX^a.
B) The mother is bbX^AX^a, the father BbX^aY, the son BbX^aY, and the daughter bbX^aX^a.
C) The mother is BBX^AX^a, the father bbX^aY, the son BbX^aY, and the daughter BbX^aX^a.
D) The mother is bbX^AX^a, the father BbX^aY, the son bbX^aY, and the daughter BbX^aX^a.
E) It is impossible to determine from this information.