The answer to this question is B.
The father doesn't carry the colorblind since his mom doesnt have it. So father is not colorblind. The mother is colorblind because her mom and dad were colorblind. the daughters would be carriers of colorblind.
(I wish i can show u the work)
Answer:
The answer is alleles :)
Explanation:
The two versions of the same gene are called alleles. The two alleles are formed at the same position, or locus, on the chromosome. REMEMBER: THE 2 ALLELES ARE GOTTEN FROM THE 2 GAMETES OF SEXUAL REPRODUCTION. THAT IS WHY THEY CAN DIFFER.
I hope I helped you !