25 points in cattle, a single gene with two alleles determines fur color. the fur can be red, white, or roan. roan fur has both red and white hair. which of the following is true about alleles for fur color in cattle? a. the allele for roan fur color is dominant over red and white fur color. b. the allele for red fur color is dominant over white and roan fur color. c. the roan and white alleles are expressed independently of the other. d. the red and white alleles are expressed independently of the other.