Q Question 1 1 / 1 pts Dr. Ray studies how diet, drugs, and stress can impact the expression of genes. Dr. Ray studies Question 2 1 / 1 pts The enduring behaviors, ideas, attitudes, and traditions shared by a large group of people and transmitted from one generation to the next are called Question 3 1 / 1 pts Harris (1996) argued that 40 to 50 percent of the personality differences between siblings can be explained by Question 4 1 / 1 pts Punctuality is one of the _____ of North American businesspeople.

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