Behavioral geneticists and evolutionary psychologists emphasize:

A. environmental influence on development.
B. the role of personality in development.
C. the significance of hereditary factors in development.
D. the importance of parenting skills in development.

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Give your choice.

C. the significance of hereditary factors in development.

Behavioral geneticists and evolutionary psychologists emphasize the significance of hereditary factors in development. The answer is option C.

Behavioral geneticists study the influence of genetic factors on individual differences in behavior, traits, and abilities. They investigate how genes interact with the environment to shape development.

Evolutionary psychologists focus on understanding the evolution of behavior and cognition. They examine how traits and behaviors have been shaped by natural selection over time and their adaptive significance.

To arrive at this answer, one could read about the fields of behavioral genetics and evolutionary psychology and understand their key areas of research. Alternatively, one could consult textbooks, journal articles, or academic sources that discuss these fields and their perspectives on the influences on development.