A gene that actively controls the expression of a trait is called a __________ gene.
A. recessive
B. mutated
C. recombinant
D. dominant
Answer: D
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Kareem laughs whenever his neck is touched. Now before touching his neck, his mommy says "gotcha.". Pretty soon, as soon as she says "gotcha," Kareem starts to laugh. This is an example of
a. habituation learning. b. classical conditioning. c. sensitization learning. d. operant conditioning.
To better understand bulimia among college students, a researcher lives in a female freshman dorm for the fall semester to observe and interview students about their stresses, attitudes, and eating behaviors. This is an example of what type of study?
a. analogue c. experimental b. field d. case
We sense the longest wavelengths of visible light as the color
a. white. b. purple. c. red. d. violet.
Which of the following reflects actions for which a person has been punished in the past and generates feelings of guilt?
a. ego ideal b. id c. ego d. conscience