This led him to think that people are heavily influenced by heredity and their environment and intended to show this by examining how theses two factors influenced the different members of the same family.
This led him to think that people are heavily influenced by heredity and intended to show this by examining how theses two factors. This led him to think that people are heavily influenced by their environment and intended to show this by examining how theses two factors. These two factors were influenced the different members of the same family.