The amount of melanin pigment in skin is a 
Synchronous intensity polygenic trait measures protect passengers a producer key element a small molecule
A B C D E F G H
Skin color is determined by the melanin pigment in the skin cells.
The amount of melanin pigment in skin is a polygenic trait
The amount of melanin pigment in skin is a  (A) Synchronous (B) intensity (C) polygenic trait (D) measures (E) protect passengers (F) a producer (G) key element (H) a small molecule