Fraternal twins typically have about _________ percent of their genes in common.

A. 25
B. 50
C. 75
D. 100


Answer: B

Psychology

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Each neuron in the human body is only a fraction of an inch in length

a. True b. False Indicate whether the statement is true or false

Psychology

Your instructor announces a "pop" test. You have not read the chapter yet. Your heart and breathing rate increases, and your mouth becomes dry. Which nervous system was responsible for this reaction?

a. sympathetic b. parasympathetic c. somatic d. central

Psychology

Within-subjects experiments always have

a. control groups b. control conditions c. random assignment of subjects to conditions d. nuisance variables

Psychology

The ventral striatum is another name for the

A. caudate nucleus. B. subthalamic nucleus. C. lenticular nucleus. D. nucleus accumbens.

Psychology