Based on the opinions of most researchers as represented by the Venn diagram, the character trait of "personality" would fall within the influences of both heredity and environment.
Personality lie in between the confluence area of heredity and environment in venn's diagram.
Explanation:
Personality traits are affected by both the heredity and environment and hence they lie in between the confluence area of heredity and environment in venn's diagram.
Hereditary characteristics such as - religion, rituals, social practices, upbringing, family values and nurturing build the initial characteristics of a person. However, when an individual starts exploring life, he/she gets influenced by the surrounding (environment) and imbibes lot of characteristics through learning and experiences.