Which of the following statements best describes what psychologists now know about the genetic basis of personality?
a. Hundreds of genes have been identified that are directly linked to specific personality traits.
b. Technology is not sophisticated enough to link genes and personality characteristics.
c. Some genes have been identified that are related to certain aspects of personality function.
d. Genes do not contribute to personality characteristics.
Answer: C
Rationale: Consider This: Biologically based research on personality has demonstrated that there is a significant heritable (genetic) basis for individual differences in personality.
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While Dr. Jackson is recording the activity of a squid axon, he finds that a larger depolarizing shock is necessary on occasion in order to produce a new action potential. What is the most likely explanation for Dr. Jackson's observations? a. The squid axon is such an artificial laboratory preparation, it cannot be expected to respond like an axon in a living animal. b. Dr. Jackson's second
shock probably occurs during a relative refractory period. c. Dr. Jackson's second shock probably occurs during an absolute refractory period. d. The squid axon in the laboratory does not have functioning sodium-potassium pumps.
Schmidt questions whether an adequate explanation of memory is provided by
a. emotional distinctiveness. c. primary distinctiveness. b. secondary distinctiveness. d. processing distinctiveness.
Monoamine oxidase would break down all of the following neurochemicals except
A. serotonin. B. epinephrine. C. norepinephrine. D. ACh.
Sandra Scarr and Kathleen McCartney proposed the theory of genotype -> environment effects. Which subtype occurs when a person's inherited characteristics bring about responses from others in their environment?
a. Passive genotype -> environment effects b. Evocative genotype -> environment effects c. Active genotype -> environment effects d. Inactive genotype -> environment effects