Final answer:
Race is an identity category that has been mostly constructed around appearance, based on a person's physical characteristics or phenotypes such as skin color, hair texture, and eye shape.
Step-by-step explanation:
Race is an identity category that has been mostly constructed around appearance. It is based on a person's physical characteristics or phenotypes such as skin color, hair texture, and eye shape. These physical traits have been historically used to categorize individuals into different racial groups.