Hair color, eye color, ear size, and height are coded into our DNA at birth. Are other traits such as personality, likes and dislikes, intelligence, empathy, aggression, and prejudice also linked to our genes? What is the description of a psychopath, a sociopath or conduct disorder? Are kids born with these characteristics or are they learned? The nature/nurture debate has been going on among professionals for at least a century. The different aspects of this debate will be introduced for consideration.