These physiological studies regarding the influence of genetics on the formation of criminal behavior show that there is a certainly a genetic influence on the formation of criminal behavior. As this can be seen in Sheldon’s theory. Even though, bodily figures can be developed through external exercises, the innate body is the major component. Therefore, Seldon’s theory can be used as a support for physiological influence to the criminal behavior, thus supporting the genetic predisposition for criminal behavior.
Environmental influences
Above studies are mostly in favor of the fact …show more content…
This theory can be used to explain certain traits, such as aggression, of a child. By using this theory, if a child shows an aggression or any form of criminal can lead to a finding that the child observes aggression within his or her family members. In the study conducted by Miles and Carey in 1997, the exposure to high levels of aggression factors greatly modify and affects a child’s behavior. This is because the aggressive behavior exerted by the child’s surrounding relatives are perceived as normal actions, therefore, the child accepts the aggressive behavior due to the fact that his or her think there is no problem in doing what his or her parents …show more content…
Among the correlational studies, Twin studies, looking at the concordance rates between monozygotic twins and dizygotic twins, have shown that genetic predisposition is a major source of criminal behavior. Family studies. Just like the twin study, it was possible to see the genes are the major influences of criminal behavior even though that case has only been seen once. However, the adoption studies, looking at the rate of criminal behavior between adoptees and their genetic parents, had a different result and conclusion compared to twin and family study. The adoption studies have suggested some relationship between genetic and aggressive behavior and alcoholism but that does not suggest that genes are the major cause of violent criminal behavior since aggressive behavior and alcoholism does not always lead to violent criminal behavior. The physiological studies have suggested that there is a correlation between the physical body and the criminal behavior. The environmental studies and the Social learning theory have suggested that environmental influences may not be the single and only cause but it is certainly among the causes of criminal behavior. It is not definite that it is the genes that is the only source of influencing criminal behavior,