You are a biologist and you have discovered a new living organism. You think that it is a mammal. Write a paragraph in which you describe the characteristics that you would expect it to have if it were a mammal

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

carbon atoms, hydrogen, oxygen, and nitrogen.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.