Which statement about the genetic basis of schizophrenia is true?
A. Adoption studies indicate no biological basis for schizophrenia.
B. The concordance rate for schizophrenia is higher for dizygotic than for monozygotic twins.
C. A person with a "schizophrenia gene" will always develop schizophrenia.
D. Genes impart a susceptibility to develop schizophrenia.
Answer: D
You might also like to view...
Reginald works at a local counseling center and one of his clients, Sara, is seeking help because she has never been able to maintain a long-term, satisfying romantic relationship. Reginald believes Sara's problem stems from an insecure attachment to her mother. Reginald is taking a contemporary psychodynamic approach to personality known as ____
a. ?the collective unconscious b. ?reciprocal determinism c. ?object relations d. ?striving for superiority
Lactose intolerance a. is common in areas that have historically relied on dairy products. b. is uncommon in areas that have historically relied on dairy products. c. results from learned food preferences
d. is not related to genetics.
According to the text, there are five characteristics that distinguish emerging adulthood from other age periods. Which characteristic does NOT describe emerging adulthood?
a. Age of identity exploration b. Age of stability c. Self-focused age d. Age of possibilities
Research on first impressions suggests that initial attraction is primarily determined by
A. similarities in agreeableness. B. ratings of physical attraction. C. differences in neuroticism. D. similarities in appearance.