“Heredity and environmental mentality contribute to unity” (Mclafferty Jr). They are both shaping the person to be what they are. Genetics are necessary and play an important role in the survival and evolution of the human race. The environment helps teach the lessons needed to function in life. As illustrated in Dani's case, genetics were not enough to support her to develop human interaction. She needed her environment to be more interactive to teach her the basics. However, if genetics did not play a role, the lessons learned from a person's ancestors and imprinted to be passed on at a basic level would change the entire way the world works. The unity of inside and outside is what leads everyone to become