How do genetic and environmental factors interact in behavior?

Genetic and environmental factors interact in behavior through gene-environment interactions. This concept emphasizes that genes and the environment do not function in isolation; rather, they influence one another in complex ways. For example, the expression of certain genes can be affected by environmental conditions, such as stress or exposure to toxins, which can in turn influence an individual's behavior.

Additionally, the environment can also shape the expression of genetic predispositions. This means that a person with a genetic tendency toward a particular behavior may not exhibit that behavior without certain environmental triggers. This interplay underscores the importance of considering both genetic and environmental contexts when studying behavior, highlighting that they are interconnected factors that shape individual differences in behavior and psychological traits.