C. their DNA is very different
D.
Both organisms have the same genus in their scientific name meaning they are members of the same family and order.
Dear Jacqueline32, you can use genotype like this: The genotype of the man was Aa.
Genotype:
BB:25%
BW 50%
WW:25%
Phenotype:
Black: 25%
Blue: 50%
White: 25%