Why is hemophilia a sex-linked trait?
a. Because it is carried on the sex chromosome (the 23rd pair)
b. Because it is only observed after puberty c. Because it never occurs in females
d. Because it interferes with normal sexual maturation
a
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The idea that animals have personality is ____.?
a. ?something that has received some research support b. ?scoffed at by cognitive psychologists c. ?impossible to determine with cognitive psychology d. ?has received no research support e. ?None of the choices are correct.
Sleep-inducing drugs that tend to decrease central nervous system and behavioral activity are
a. Stimulants c. Sedatives b. Narcotics d. Cannabis
The question of whether Drug X, which has been found harmful to laboratory mice, is harmful to humans is a specific example of the more general problem termed
a. reliability. b. validity. c. sample generalization. d. a placebo effect.
The heritability estimate ranges from __________.
A. 0 to 1 B. 1 to 5 C. 0 to 20 D. 1 to 100