Answer
Any trait of an organism results from combination of multiple alleles and environmental affects, such as temperature, etc. For example humans living in hot environments generally have darker skin color due to more melanin present in their skin to protect them from more intense light.
Work Step by Step
Any trait of an organism results from combination of multiple alleles and environmental affects, such as temperature, etc. For example humans living in hot environments generally have darker skin color due to more melanin present in their skin to protect them from more intense light.