Brandon and Brenda are fraternal twins. Patty and Selma are sisters born four years apart. Which of these two pairs of siblings is genetically most similar?
A) The degree of similarity cannot be determined without DNA testing.
B) Patty and Selma, the sisters, are genetically most similar.
C) Brandon and Brenda, the fraternal twins, are genetically most similar.
D) The fraternal twins and the sisters are equal in genetic similarity.
D
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A psychology instructor is lecturing on the processes and mechanisms of messages in the nervous system. She has come to the part on the action potential. Which example should she use to illustrate the idea of a nerve impulse?
A. how a washer cleans clothes B. "The Wave" at a sports stadium where sections of fans stand up and then sit down C. a bright flash of light D. a merry-go-round
Approximately 50% to 75% of growth hormone production occurs ____
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In Pavlov's study, the neutral stimulus was:
a. food c. salivation b. a bell d. fear
What area of social psychology is concerned with first impressions, attribution theory, and ways in which we perceive other people?
a. social attitude formation c. social persuasion b. social perception d. social obedience