Variations in hair color arise from the relative amounts of
A)collagen and elastic filaments.
B)keratin and melanin.
C)carotene and hemoglobin.
D)carotene and collagen.
E)eumelanin and pheomelanin.

Question

Quizplus · Accepted Answer

Hair color is determined by the relative amounts of eumelanin and pheomelanin, which are types of melanin pigments. Eumelanin is responsible for black and brown colors, while pheomelanin contributes to red and yellow hues.

Variations in Hair Color Arise from the Relative Amounts of