The long allele on DRD4, a gene related to measures of reward seeking, has been linked to
a. alcoholism but not heroin addiction.
b. heroin addiction but not alcoholism.
c. both alcoholism and heroin addiction.
d. none of these answers are correct, it is only related to schizophrenia
C
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If a pregnant woman has phenylketonuria
a. the mother must follow a strict diet to safeguard her own brain, but the fetus will be unaffected. b. the mother must follow a strict diet for the brain development of herself and for the fetus. c. the mother must follow a strict diet for the fetus to be unaffected, but eating phenylalanine will not likely affect her. d. the pregnancy will not come to term. e. neurofibrillary tangles that develop at about 4 years of age.
Which of the following statements regarding personality changes in adulthood is MOST accurate?
a. Personality stability depends on one's sex and socioeconomic status. b. The overall personality undergoes systematic changes throughout adulthood. c. Personality remains extremely stable after adolescence. d. The adult personality is characterized by both stability and change.