Your professor mentions in a lecture that activity level follows a polygenic pattern of inheritance. You, having already read Chapter 2 in your textbook, realize this means that

a. activity level is a recessive trait.
b. a single gene determines activity level.
c. there is no evidence of a genetic influence on activity level.
d. activity level is determined by the combination of many genes.


d

Psychology

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Which of the following does NOT protect the brain at the physical level?

a. meninges b. cerebrospinal fluid c. blood-brain barrier d. skull

Psychology

Which of the following is an example of an operational definition? a. Obesity occurs when a person becomes 20 percent over normal weight. b. Frustration is when a person becomes upset with life

c. A hypothesis is a conjecture about the relationship between variables. d. Anxiety is how you felt the first time you had to give a speech.

Psychology

Doctor A.D. Aitchdey conducts research on childhood disorders. Specifically, she wants to learn more about disorders in which the children's behaviors cause disruptions in their environments. Her next project will focus on children with conduct disorder. In other words, Doctor Aitchdey's research is focusing on the __________ category of childhood disorders.

A. differentiated B. overcontrolled C. generalized D. externalizing

Psychology

Your brother and sister-in-law do not like to cook and neither one of them seems to have a very good understanding of nutrition. Their 9-year-old son has a BMI of 24, but they are not concerned because they feel that he will simply outgrow being obese

Why should they be more concerned? As adults, overweight and obese individuals ____. a. spend a considerable amount of their budget on fast food b. are more likely to have high blood pressure, heart attacks, and cancer c. are more likely to have ADHD d. are more likely to be married to their jobs and ignore their families

Psychology