Answer: Behavior genetics
Explanation:
The behavior genetics is the study of the genetic and also the situational behavior that is influenced by environment.
The behavior genetics is also the process of studying the relative power and also limits the genetic behavior and also the personality traits in the environment.
It is also known as the behavioral genetics and it is basically used for the scientific research for the purpose of investigating the nature and the behavior of an individuals.
Therefore, Behavior genetics is the correct answer.