Social Sciences is the Relative Importance of Heredity and Environment There is a personality is to some extent largely determined by the hereditary environment, this are aspects that are established from as early as conception. A baby at conception is learning consciously while in the womb but on birth, the traits are adopted from the personalities of others. Interaction with nature, with reference to genes and heredity as well as nurture is concerned with environmental, social and psychological factors. Research has proven that there is personalities are related to genetics and that a disorder such as Downs’s syndrome, William syndrome from one parent can be passed down to the children (Blalock, 1991). The Marxist pseudo-genetic theories which date back to the 1860s were such that it was seen that they were rooted right from the genetic build of the Soviet Union which also showed that the various genetic nature could as well distinguish the various aspects of an organism