A woman has two copies of the X chromosome, one from each parent. A man has how many copies of the X chromosome?
A) one
B) two
C) four
D) none
A) one
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According to the frequency theory, the ____
a. tectorial membrane vibrates in synchrony with the auditory nerve b. auditory nerve is responsible for perception of sound but not loudness c. basilar membrane vibrates in synchrony with a sound, producing action potentials at the same frequency d. basilar membrane is tuned to a specific frequency and vibrates whenever that frequency is present
In what ways are stereotypes harmful?
A. They are automatic. B. They are often inaccurate. C. They are often overused. D. They are self-perpetuating. E. All of the above are correct.
Although sex is an important part of people's lives, for many years, discussion of sexual topics was taboo. In the recent history of psychology, who first made sex an appropriate sexual topic for discussion?
a. Alfred Kinsey, when he published his research findings about human sexual practices b. William Masters and Virginia Johnson, when they published their findings on the human sexual response c. Sigmund Freud, when he made the libido an important part of his psychoanalytic theory d. Helen Singer Kaplan, when she wrote about desire and sexual readiness
What do findings of studies with older infants pressing a level to make a train move show?
a. Older infants have lost some types of memory retention that they had as infants. b. The amount of information that infants retain sharply increases with age. c. The duration of infants' memories gradually but steadily increases with age. d. The length of infants' memories sharply increases with age.