Exam1Answers - Exam 1 with Answers (in bold) 1. (p. 63)...

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Exam 1 with Answers (in bold) 1. (p. 63) Whether raised together or apart, ________twins are far more similar in personality and intelligence test scores than are _________twins raised in the same families. a. non-twins; fraternal b. fraternal; identical c. non-twins and fraternal; identical D. identical; non-twins and fraternal 2. (p. 75) Multiple sclerosis, a progressive disease that results in jerky and uncoordinated movements and eventual paralysis, is caused by a. excessive amounts of myelin on neurons. b. an absence of the nodes of Ranvier. C. damage to the myelin sheath. d. the myelin covering not only the axon but also the axon terminals. 3. (p. 73) Neurons a. generate electricity or nerve impulse. b. release chemical signals to neighboring neurons. c. are the basic building blocks of the nervous system. D. all of these 4. (p. 30) The statement, "If patients are given Drug X, then they will be less depressed" is an example of a(n) A. hypothesis. b. theory. c. variable. d. operational definition. 1
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5. (p. 68) A genotype is: A. the specific genetic makeup of the individual. b. an individual's observable characteristics. c. a dominant genetic trait. d. a recessive genetic trait. 6. (p. 31) A(n) ____________ is a set of formal statements that explains how and why certain events are related to one another. a. hypothesis B. theory c. independent variable d. dependent variable 7. (p. 40) A researcher who wants to identify the average alcohol use among American teenagers is most likely to use which of the following methods? a. A case study b. Naturalistic observation C. Survey research d. An experiment 8. (p. 39) Examining the social behaviors of whales as they migrate is an example of a. a case study. B. naturalistic observation. c. survey research. d. an experiment. 9. (p. 2) _______________ is the scientific study of behavior and the mind. a. Psychophysics b. Anthropology C. Psychology d. Sociobiology 10. (p. 76) Neurons generate chemical substances called ____________, which carry messages to neighboring neurons. a. receptors B. neurotransmitters c. synapse d. vesicles 11. (p. 69) Polygenetic modes of transmission means that a. more variability in eye color can be developed than had been originally thought. b. a number of gene pairs combine their influences to create multiple phenotypic traits. C. a number of gene pairs combine their influences to create a single phenotypic trait. d. single gene pairs influence how organisms behave. 2
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12. (p. 71) The hereditability coefficient has been used to A. estimate the extent to which differences in specific characteristics within a group of people can be attributed to genetic factors. b. measure intelligence. c. predict in a given individual if she or he will develop specific diseases.
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Exam1Answers - Exam 1 with Answers (in bold) 1. (p. 63)...

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