Which of the following statements about human skin color is FALSE? Group of answer choices Skin color varies because of differences in ultraviolet radiation between different regions of the world. Light skin is a selective advantage outside the tropics because it admits ultraviolet radiation that causes the body to manufacture vitamin D, helping to prevent rickets and osteoporosis. The amount of melanin in the skin affects the body's ability to process lactose. The amount of melanin in the skin affects the body's production of vitamin D. Light skin is a selective disadvantage in the tropics because it is more susceptible to the destruction of the folate that is needed to produce folic acid, which protects against neural tube defects in human embryos.