Influence of Genetics on Behavior in Adoption Studies

Hard Unit 2: Biological Bases Genetics And Behavior

Behavioral genetics examines the complex interactions between genetic predispositions and environmental factors in influencing behavior. A classic example of this interplay is seen in studies of adoptive children. These studies aim to determine whether adopted children's traits are more similar to their biological parents or their adoptive ones. This complex assessment raises questions about the heritability of behaviors such as intelligence, personality, and mental disorders.

What conclusion can be drawn regarding the role of genetics in shaping behavior from findings that show adopted children exhibiting traits similar to their biological parents?

Genetic influences are more significant than environmental influences in determining behavior.

Environmental influences are more significant than genetic influences in determining behavior.

Both genetic and environmental influences are equally significant in shaping behavior.

Genetic influences have no impact on behavioral traits.

The influence of genetics on behavior is entirely dependent on the individual's environment.

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