The old discussion between genetic makeup and environmental influences, whether someone was born an alpha animal or the environment made him such, can conclusively been considered antiquated. The question concerning percentage shares is simply wrong and according to latest research it cannot be that easily explained. It is moreover the interaction between the genetic code of the individual and the specific environment that must be scrutinized in each single case. The conclusion is as follows: Each person requires a very specific optimal environment in order to fully develop existing predispositions. In this context please watch the admittedly somewhat lengthy video by Prof. Manfred Spitzer.