Work Step by Step
Melanin is the pigment that produces the skin color in humans. The more melanin a person has, the darker his or her skin. Therefore, options C and D are incorrect. Option A is incorrect; option B is correct. The amount of melanin produced by each melanocyte determines the skin color of a person; people with darker skin have melanocytes that produce a lot of melanin whereas people with light skin have melanocytes that produce little melanin.