Two people of medium skin tone have five children, each with a different skin tone ranging from very pale to very dark. Most of the children's skin becomes a little bit darker after exposure to the sun. Judging from this information, skin tone is probably what?

a. influenced by the environment
b. a pleiotropic trait
c. a Mendelian trait
d. a polygenic trait

Answer rating: 100% (QA)

The correct option is A influenced by the environment a polygenic t... View the full answer