Since no specific genes for homosexuality have yet been identified,
researchers have begun to focus on the study of how genes are expressed during development, which is called
a. eugenics.
b. bidirectionality.
c. polygenics.
d. epigenetics.
ANSWER: d
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What is meant by a "lucid" dream?
a. A dream that the dreamer recognizes as being a dream b. A dream that predicts events of the future c. A dream that causes someone to awaken in fear d. A dream that reflects unconscious emotions or motivations
Toward whom does a boy feel sexual attraction during the Oedipus complex?
a. His mother b. His father c. Himself d. No one
Lifetime prevalence of posttraumatic stress disorder (PTSD) is highest among ____
a. African Americans c. White Americans b. Hispanic Americans d. Asian Americans
Marsha feeds her dog Bubbles if Bubbles barks when the light is turned on, but not if the light is turned off. Soon Bubbles barks only when the light is turned on. Bubbles is exhibiting:
A. spontaneous recovery B. extinction C. generalization D. discrimination