question: What is based on a polygenic trait?
choices.text: coliform Scientific research name weight melanin content angiosperm changes in size gas
choices.label: A B C D E F G H
fact2: Melanin is responsible for skin color.
combinedfact: melanin content is a polygenic trait
formatted_question: What is based on a polygenic trait? (A) coliform (B) Scientific research (C) name (D) weight (E) melanin content (F) angiosperm (G) changes in size (H) gas