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.

I believe it is C...

I wonder about your course or school. "Behavioral geneticist" is an oxymoron. Think on that.

You are way wrong on C. You will get the right answer if you rephrase the question to "Behavioral psychologists and evolutionary psychologists emphasize"

D. the importance of parenting skills in development.

To determine the correct answer, let's break down the options and see which one aligns with the emphasis of behavioral geneticists and evolutionary psychologists.

A. Environmental influence on development: This option suggests that the focus is on the impact of the environment on individual development. While environmental factors are undoubtedly important, it may not be the primary emphasis of behavioral geneticists and evolutionary psychologists.

B. The role of personality in development: This option suggests that personality plays a significant role in development. While personality is undoubtedly a relevant factor in understanding human development, it may not be the primary emphasis for behavioral geneticists and evolutionary psychologists.

C. The significance of hereditary factors in development: This option proposes that hereditary factors are significant in development. Behavioral geneticists and evolutionary psychologists indeed place a strong emphasis on genetic and hereditary factors as influences on development. This is particularly true for understanding traits, behaviors, and predispositions that have evolutionary origins.

D. The importance of parenting skills in development: This option suggests that the emphasis is on the role of parenting skills in development. Although parenting skills are important, they may not be the primary focus of behavioral geneticists and evolutionary psychologists.

Based on the information provided, it is likely that the correct answer is C. Behavioral geneticists and evolutionary psychologists emphasize the significance of hereditary factors in development.