Heredity/həˈredəti/ Definition 1 of 3Pro Tip 1/3Family Traits Used to describe characteristics, like appearance or behavior, that are passed from parents to children. His quick temper was a matter of heredity. Pro Tip 2/3Not Learned Indicates qualities not gained from experience, but from the genes received at birth. Her musical talent comes from heredity, not practice. Pro Tip 3/3Nature Over Nurture Often cited in debates over the influence of genetics versus the environment. In his case, heredity, not upbringing, seemed to shape his intelligence.