A researcher wants to discover whether a particular behavior is caused by genetic background or by environmental factors.This can be complicated by the ________,the fact that environmental experience is itself affected by genetic background.

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Gene-environment correlation refers to the fact that genetic background can influence exposure to different environmental factors, making it difficult to disentangle the relative contributions of genetics and environment to a particular behavior or trait. This can occur in different ways, such as passive gene-environment correlation, where parents provide both genes and environment to their offspring, or active gene-environment correlation, where individuals seek out environments that match their genetic propensities.

A Researcher Wants to Discover Whether a Particular Behavior Is