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Chapter 06 - Genetics and Personality
6-1
Chapter 06
Genetics and Personality
Multiple Choice Questions
1.The term _____ refers to the complete set of genes an organism possesses.
A."genome"
B."eugenics"
C."phenotypic"
D."genotypic"
Accessibility: Keyboard Navigation
Topic: 06-01 The Human Genome
2.All human genes are located somewhere on one of _____ pairs of chromosomes.
A.12
B.17
C.23
D.32
Accessibility: Keyboard Navigation
Topic: 06-01 The Human Genome
3.The human genome contains about _____ separate genes.
A.10,000-15,000
B.20,000-30,000
C.30,000-40,000
D.1,000,000-2,000,000
Accessibility: Keyboard Navigation
Topic: 06-01 The Human Genome
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Chapter 06

Genetics and Personality

Multiple Choice Questions

  1. The term _____ refers to the complete set of genes an organism possesses. A. "genome" B. "eugenics" C. "phenotypic" D. "genotypic" Accessibility: Keyboard Navigation Topic: 06-01 The Human Genome
  2. All human genes are located somewhere on one of _____ pairs of chromosomes. A. 12 B. 17 C. 23 D. 32 Accessibility: Keyboard Navigation Topic: 06-01 The Human Genome
  3. The human genome contains about _____ separate genes. A. 10,000-15, B. 20,000-30, C. 30,000-40, D. 1,000,000-2,000, Accessibility: Keyboard Navigation Topic: 06-01 The Human Genome
  1. The goal of the Human Genome Project is to A. identify which genes are related to personality. B. identify the particular sequence of DNA molecules in humans. C. identify genotypic variance. D. solve the nature-nurture debate once and for all. Accessibility: Keyboard Navigation Topic: 06-01 The Human Genome
  2. The Human Genome Project has A. been a large failure. B. identified the sequence of DNA molecules in humans. C. identified the functions of most human genes. D. discovered that people differ widely in their particular genes. Accessibility: Keyboard Navigation Topic: 06-01 The Human Genome
  3. Which one of the following is NOT one of the fears about genetic research? A. Genetic research will lead to the development of "designer" babies. B. If criminal behaviour is genetic then attempts at rehabilitation will be fruitless. C. Decoding genetic differences will reveal complexities in human nature. D. Genetic research will marginalize research in other areas of psychology. Accessibility: Keyboard Navigation Topic: 06-02 Controversy About Genes and Personality
  4. Research demonstrating a link between politics and genes may be controversial because A. it suggests that socialization and personal experience play little role in political perspective. B. it is difficult for the average person to understand the meaning of heritability coefficients. C. it may inflate the role of personal experience in the formation of personality. D. it is contrary to people's expectations regarding the role of genes in their attitudes and beliefs. Accessibility: Keyboard Navigation Topic: 06-02 Controversy About Genes and Personality
  1. If a score for a characteristic is divided into its different causes, researchers are typically assessing the _____ due to each of the causes of that score. A. genotype-environment interaction B. genotype-environment correlation C. percentage of variance D. environmentalism Accessibility: Keyboard Navigation Topic: 06-03 Goals of Behavioural Genetics
  2. Behavioural geneticists are generally NOT interested in the A. percentage of variance due to environment. B. percentage of variance due to genes. C. percentage of genetic variance in an individual. D. ways in which genes and the environment interact to form personality. Accessibility: Keyboard Navigation Topic: 06-03 Goals of Behavioural Genetics
  3. The proportion of phenotypic variation in a group of individuals due to genetic variance is called A. "heritability." B. "phenotypic percentage of variance." C. "genome." D. "eugenics." Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability?
  1. _____ refers to the proportion of variance in a group of individuals that can be accounted for by genetic variance. A. Heritability B. Phenotypic percentage of variance C. Genome D. Eugenics Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability?
  2. _____ refers to observed differences among individuals. A. Heritability B. Phenotypic variance C. Genotypic variance D. Environmentality Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability?
  3. _____ refers to individual differences in the collection of genes of each person. A. Heritability B. Phenotypic variance C. Genotypic variance D. Environmentality Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability?
  4. If the heritability of sociability is.30, the environment is responsible for A. 70 percent of phenotypic variation. B. 70 percent of genotypic variation. C. 30 percent of phenotypic variation. D. 30 percent of genotypic variation. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability?
  1. Which of the following is NOT a reason why heritability can vary? A. It is an imprecise estimate. B. Environments change. C. Unreliability in measurement. D. Heritability coefficients are fixed in a population. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability? Topic: 06-05 Misconceptions About Heritability
  2. The argument over whether the environment or genes determine personality is known as A. the eugenics debate. B. the nature-nurture debate. C. heritability. D. the equal environments assumption. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability? Topic: 06-06 Nature-Nurture Debate Clarified
  3. If we were attempting to determine how much of George's personality was due to genetics and how much were due to the environment we would A. measure George's genome. B. compare George to his siblings. C. be asking an impossible question. D. map his chromosomes. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability? Topic: 06-06 Nature-Nurture Debate Clarified
  1. At the level of the individual A. there is no nature-nurture debate. B. genes are useful in studying personality. C. the idiographic genetic approach should be used. D. genes determine most of personality. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability? Topic: 06-06 Nature-Nurture Debate Clarified
  2. The technical term for dividing a trait's score into genetic and environmental variance at the population level is called A. apportioning. B. subdivision. C. partitioning. D. extrapolating. Accessibility: Keyboard Navigation Topic: 06-04 What Is Heritability? Topic: 06-06 Nature-Nurture Debate Clarified
  3. Which of the following methods is NOT used with humans? A. Selective breeding B. Twin studies C. Adoption studies D. Family studies Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-08 Selective Breeding-Studies of Humans' Best Friend
  1. For selective breeding to be successful, the desired trait must A. be entirely under genetic control. B. occur in all offspring. C. be heritable. D. not be affected by the environment. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-08 Selective Breeding-Studies of Humans' Best Friend
  2. A parent shares, on average, _____ percent of their genes with each child. A. 25 B. 50 C. 75 D. 100 Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-09 Family Studies
  3. Aunts and uncles share, on average, _____ percent of their genes with nieces and nephews. A. 0 B. 12. C. 25 D. 50 Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-09 Family Studies
  1. If a trait is highly heritable A. all family members will possess the trait. B. all children in the family will possess the trait. C. the more closely family members are genetically related, the more similar they will be on the trait. D. all members of the population will possess the trait. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-09 Family Studies
  2. Which of the following is NOT a problem with the family-study method? A. Family members sharing environments. B. The degree of genetic similarity is often correlated with environmental similarity. C. Siblings may share traits because they grew up in the same household. D. The fact that parents contribute 50 percent of their genes to each child. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-09 Family Studies
  3. Which of the following methods provides the LEAST conclusive evidence that a trait is heritable? A. Family studies B. Twin studies C. Adoption studies D. Selective breeding Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-09 Family Studies
  1. Dizygotic twins share _____ genes compared to ordinary siblings, and _____ genes compared to monozygotic twins. A. the same percent of; less B. more; less C. more; more D. less; more Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  2. A trait is likely to be heritable if _____ are more similar in that trait than _____. A. dizygotic twins; monozygotic twins B. monozygotic twins; dizygotic twins C. ordinary siblings; dizygotic twins D. dizygotic twins; ordinary siblings Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  3. Which of the following estimates heritability most accurately? A. The difference between the correlations of MZ twins and DZ twins. B. Twice the difference between the correlations of MZ twins and DZ twins. C. One-half the difference between the correlations of MZ twins and DZ twins. D. Multiplying the correlations between MZ twins and DZ twins. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  1. One of the most common formulas for assessing heritability is A. heritability = ( rdz - rmz ). B. heritability^2 = ( rmz - rdz ). C. heritability^2 = 2( rmz - rdz ). D. heritability = 2( rmz - rdz ). Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  2. The equal environments assumption states that A. all people in a population share similar environments. B. dizygotic twins are not treated differently from monozygotic twins. C. twins are not treated differently from ordinary siblings. D. parents treat all their children the same. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  3. Which of the following could be a violation of the equal environments assumption? A. Dressing identical twins in the identical clothes. B. Dressing fraternal twins in the identical clothes. C. Twins are treated differently than other children. D. Fraternal twins are similar to ordinary siblings. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  1. Canadian research indicates that the component of mental toughness that is most heritable is A. challenge B. control C. commitment D. confidence Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  2. In their study of the heritability of mental toughness, Horsburgh and colleagues also included measures of the Big Five personality traits. Why was this important? A. It allowed them to determine potential congruence in heritability among multiple traits. B. It allowed them to examine correlations among mental toughness and other traits such as conscientiousness, informing their conclusions on reliability. C. It allowed them to better estimate the degree of environmentality in the sample. D. It allowed them to determine if their sample was similar to or different from other populations, better informing their conclusions on generalizability. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  3. The personality trait of mental toughness has been shown to be positively associated with all of the Big Five traits except A. agreeableness. B. neuroticism. C. extraversion. D. openness to experience. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  1. The observed correlations among mental toughness and the Big Five personality traits suggests what about their heritability? A. They share a common genetic substrate. B. They are all associated with the same gene. C. It is difficult for scientists to precisely determine heritability. D. None of the choices are correct. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-10 Twin Studies
  2. If adopted children differ in important ways from most other people, it would violate the _____ assumption. A. representativeness B. equal environments C. eugenics D. shared family environment Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-11 Adoption Studies
  3. If the correlation between adoptive parents' traits and adopted children's traits is high we can assume A. a genetic influence. B. an environmental influence. C. an influence of shared environment. D. that adoptive parents pick children similar to themselves. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-11 Adoption Studies
  1. Xander was adopted by his mother's sister (his maternal aunt) and his uncle. If he were to participate in a behavioural genetics study, his scores would A. skew the results to favour the percentage of the variance for his scores to genetic influences. B. skew the results to favour the percentage of the variance for his scores to environmental influences. C. skew the results to show the greater effects of maternal influences. D. not bias the effects for either the genes or the environment. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-11 Adoption Studies
  2. Combining adoption studies and twin studies A. methodologically is not appropriate in behavioural genetics studies. B. provides an especially powerful method for studying behavioural genetics. C. requires selective breeding over many generations of lab animals. D. provides an error-free estimate of heritability for behavioural genetics studies. Accessibility: Keyboard Navigation Topic: 06-07 Behavioural Genetic Methods Topic: 06-11 Adoption Studies
  3. The personality traits of extraversion and neuroticism have been found to be A. highly heritable. B. moderately heritable. C. slightly heritable. D. not at all heritable. Accessibility: Keyboard Navigation Topic: 06-12 Major Findings from Behavioural Genetic Research Topic: 06-13 Personality Traits
  1. Most major personality traits A. have been found to be moderately heritable. B. have been found to not be heritable at all. C. have not been studied with respect to heritability. D. are more heritable than height. Accessibility: Keyboard Navigation Topic: 06-12 Major Findings from Behavioural Genetic Research Topic: 06-13 Personality Traits
  2. ______ traits show moderate to high heritability. A. Psychopathic B. Religious C. Idiographic D. Political Accessibility: Keyboard Navigation Topic: 06-12 Major Findings from Behavioural Genetic Research Topic: 06-13 Personality Traits
  3. Chimpanzees show moderate heritability for dominance and A. extraversion. B. well-being. C. aggressiveness. D. sociability. Accessibility: Keyboard Navigation Topic: 06-12 Major Findings from Behavioural Genetic Research Topic: 06-13 Personality Traits