Question 1

_____ refers to the proportion of variance in a group of individuals that can be accounted for by genetic variance.

Accepted Answer

A) Heritability 
B) Phenotypic percentage of variance 
C) The genome 
D) Eugenics 
A) Heritability 
B) Phenotypic percentage of variance 
C) The genome 
D) Eugenics

Question 2

The "Jim twins"

Accepted Answer

A) prove that personality traits are heritable. 
B) prove the effects of nonshared family environments. 
C) are very similar despite having been separated at birth. 
D) are identical in all ways. 
A) prove that personality traits are heritable. 
B) prove the effects of nonshared family environments. 
C) are very similar despite having been separated at birth. 
D) are identical in all ways.

Question 3

The percentage of variance in a group of individuals that can be attributed to nongenetic differences is called

Accepted Answer

A) heritability. 
B) phenotypic variance. 
C) genotypic variance. 
D) environmentality. 
A) heritability. 
B) phenotypic variance. 
C) genotypic variance. 
D) environmentality.

Question 4

The technical term for dividing a trait's score genetic and environmental variance at the population level is called

Accepted Answer

A) apportioning. 
B) subdivision. 
C) partitioning. 
D) extrapolating. 
A) apportioning. 
B) subdivision. 
C) partitioning. 
D) extrapolating.

Question 5

When individuals respond to someone else based on that person's genotype, there is a _____ genotype-environment correlation.

Accepted Answer

A) reactive 
B) interpersonal 
C) active 
D) evocative 
A) reactive 
B) interpersonal 
C) active 
D) evocative

Question 6

Which of the following share 100 percent of their genes?

Accepted Answer

A) Parents and children 
B) All siblings 
C) Dizygotic twins 
D) Monozygotic twins 
A) Parents and children 
B) All siblings 
C) Dizygotic twins 
D) Monozygotic twins

Question 7

Sharon scores high on the sensation seeking scale.There is nothing she likes better then to seek out thrills like skydiving or bungee jumping.Sharon seeks out these high-risk behaviors due to a _____ genotype-environment correlation.

Accepted Answer

A) reactive 
B) aggressive 
C) active 
D) evocative 
A) reactive 
B) aggressive 
C) active 
D) evocative

Question 8

Mary Jo and Bobbi Jo are identical twins.Their parents dress them alike, put them in the same classes and treat them identically.If Betty Jo and Mary Jo were selected to participate in a twin study, they may contaminate the results by leading to a violation of the _____ assumption.

Accepted Answer

A) Nonshared family variance 
B) Shared family environment 
C) Equal environments 
D) Confluence effects 
A) Nonshared family variance 
B) Shared family environment 
C) Equal environments 
D) Confluence effects

Question 9

Dizygotic twins share _____ genes compared to ordinary siblings, and _____ genes compared to monozygotic twins.

Accepted Answer

A) the same amount; less 
B) more; less 
C) more; more 
D) less; more 
A) the same amount; less 
B) more; less 
C) more; more 
D) less; more

Question 10

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

Accepted Answer

A) measure George's genome. 
B) compare George to his siblings. 
C) be asking an impossible question. 
D) map his chromosomes. 
A) measure George's genome. 
B) compare George to his siblings. 
C) be asking an impossible question. 
D) map his chromosomes.

Question 11

_____ refers to observed differences among individuals.

Accepted Answer

A) Heritability 
B) Phenotypic variance 
C) Genotypic variance 
D) Environmentality 
A) Heritability 
B) Phenotypic variance 
C) Genotypic variance 
D) Environmentality

Question 12

Individuals with so-called "long repeat" versions of the D4DR gene tend to be relatively unresponsive to the effects of

Accepted Answer

A) dopamine. 
B) epinephrine. 
C) serotonin. 
D) acetylcholine. 
A) dopamine. 
B) epinephrine. 
C) serotonin. 
D) acetylcholine.

Question 13

Which of the following is probably most heritable?

Accepted Answer

A) Drinking behavior in men. 
B) Drinking behavior in women. 
C) Alcoholism in men and women. 
D) Alcoholism is not heritable. 
A) Drinking behavior in men. 
B) Drinking behavior in women. 
C) Alcoholism in men and women. 
D) Alcoholism is not heritable.

Question 14

_____ are also known as "monozygotic twins."

Accepted Answer

A) Fraternal twins 
B) Genotypic twins 
C) Identical twins 
D) Phenotypic twins 
A) Fraternal twins 
B) Genotypic twins 
C) Identical twins 
D) Phenotypic twins

Question 15

_____ is shown when successive generations show more and more of a trait.

Accepted Answer

A) Shared environment 
B) Selective breeding 
C) Genotype-environment correlation 
D) The equal environments assumption 
A) Shared environment 
B) Selective breeding 
C) Genotype-environment correlation 
D) The equal environments assumption

Question 16

Nonshared family environment is best expressed as those aspects of the family environment that

Accepted Answer

A) are uniquely experienced by the family. 
B) are uniquely experienced by an individual family member. 
C) are hoarded by the family members. 
D) represent differential genetic dimorphism 
A) are uniquely experienced by the family. 
B) are uniquely experienced by an individual family member. 
C) are hoarded by the family members. 
D) represent differential genetic dimorphism

Question 17

Research on brain differences between homosexual and heterosexual men has found some evidence that homosexual men have

Accepted Answer

A) brains substantially more like women's brains than heterosexual males' brains. 
B) substantially larger ascending reticular activating systems than heterosexual men. 
C) substantially smaller medial preoptic regions of the hypothalamus than heterosexual men. 
D) substantially smaller occipital lobes of the brain than heterosexual men. 
A) brains substantially more like women's brains than heterosexual males' brains. 
B) substantially larger ascending reticular activating systems than heterosexual men. 
C) substantially smaller medial preoptic regions of the hypothalamus than heterosexual men. 
D) substantially smaller occipital lobes of the brain than heterosexual men.

Question 18

The Human Genome Project has

Accepted Answer

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. 
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.

Question 19

The idea that genes contribute to personality is

Accepted Answer

A) unsupported by research. 
B) more accepted today than it was 10 years ago. 
C) less accepted today than is was 10 years ago. 
D) a branch of environmentalism. 
A) unsupported by research. 
B) more accepted today than it was 10 years ago. 
C) less accepted today than is was 10 years ago. 
D) a branch of environmentalism.

Question 20

For selective breeding to be successful, the desired trait must

Accepted Answer

A) be entirely under genetic control. 
B) occur in all offspring. 
C) be heritable. 
D) not effected by the environment. 
A) be entirely under genetic control. 
B) occur in all offspring. 
C) be heritable. 
D) not effected by the environment.

_____ refers to the proportion of variance in a group of individuals that can be accounted for by genetic variance.

The "Jim twins"

The percentage of variance in a group of individuals that can be attributed to nongenetic differences is called

The technical term for dividing a trait's score genetic and environmental variance at the population level is called

When individuals respond to someone else based on that person's genotype, there is a _____ genotype-environment correlation.

Which of the following share 100 percent of their genes?

Sharon scores high on the sensation seeking scale.There is nothing she likes better then to seek out thrills like skydiving or bungee jumping.Sharon seeks out these high-risk behaviors due to a _____ genotype-environment correlation.

Mary Jo and Bobbi Jo are identical twins.Their parents dress them alike, put them in the same classes and treat them identically.If Betty Jo and Mary Jo were selected to participate in a twin study, they may contaminate the results by leading to a violation of the _____ assumption.

Dizygotic twins share _ genes compared to ordinary siblings, and _ genes compared to monozygotic twins.

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

_____ refers to observed differences among individuals.

Individuals with so-called "long repeat" versions of the D4DR gene tend to be relatively unresponsive to the effects of

Which of the following is probably most heritable?

_____ are also known as "monozygotic twins."

_____ is shown when successive generations show more and more of a trait.

Nonshared family environment is best expressed as those aspects of the family environment that

Research on brain differences between homosexual and heterosexual men has found some evidence that homosexual men have

The Human Genome Project has

The idea that genes contribute to personality is

For selective breeding to be successful, the desired trait must

Introduction to Personality Psychology

Personality Assessment, Measurement, and Research Design

Traits and Trait Taxonomies

Theoretical and Measurement Issues in Trait Psychology

Personality Dispositions Over Time: Stability, Coherence, and Change

Physiological Approaches to Personality

Evolutionary Perspectives on Personality

Psychoanalytic Approaches to Personality

Psychoanalytic Approaches: Contemporary Issues

Motives and Personality

Cognitive Topics in Personality

Emotion and Personality

Approaches to the Self

Personality and Social Interaction

Sex, Gender, and Personality

Culture and Personality

Stress, Coping, Adjustment, and Health

Disorders of Personality

Summary and Future Directions

Filters

Exam 6: Genetics and Personality

_____ refers to the proportion of variance in a group of individuals that can be accounted for by genetic variance.

The "Jim twins"

The percentage of variance in a group of individuals that can be attributed to nongenetic differences is called

The technical term for dividing a trait's score genetic and environmental variance at the population level is called

When individuals respond to someone else based on that person's genotype, there is a _____ genotype-environment correlation.

Which of the following share 100 percent of their genes?

Sharon scores high on the sensation seeking scale.There is nothing she likes better then to seek out thrills like skydiving or bungee jumping.Sharon seeks out these high-risk behaviors due to a _____ genotype-environment correlation.

Mary Jo and Bobbi Jo are identical twins.Their parents dress them alike, put them in the same classes and treat them identically.If Betty Jo and Mary Jo were selected to participate in a twin study, they may contaminate the results by leading to a violation of the _____ assumption.

Dizygotic twins share _____ genes compared to ordinary siblings, and _____ genes compared to monozygotic twins.

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

_____ refers to observed differences among individuals.

Individuals with so-called "long repeat" versions of the D4DR gene tend to be relatively unresponsive to the effects of

Which of the following is probably most heritable?

_____ are also known as "monozygotic twins."

_____ is shown when successive generations show more and more of a trait.

Nonshared family environment is best expressed as those aspects of the family environment that

Research on brain differences between homosexual and heterosexual men has found some evidence that homosexual men have

The Human Genome Project has

The idea that genes contribute to personality is

For selective breeding to be successful, the desired trait must

Introduction to Personality Psychology

Personality Assessment, Measurement, and Research Design

Traits and Trait Taxonomies

Theoretical and Measurement Issues in Trait Psychology

Personality Dispositions Over Time: Stability, Coherence, and Change

Physiological Approaches to Personality

Evolutionary Perspectives on Personality

Psychoanalytic Approaches to Personality

Psychoanalytic Approaches: Contemporary Issues

Motives and Personality

Cognitive Topics in Personality

Emotion and Personality

Approaches to the Self

Personality and Social Interaction

Sex, Gender, and Personality

Culture and Personality

Stress, Coping, Adjustment, and Health

Disorders of Personality

Summary and Future Directions

Filters

Dizygotic twins share _ genes compared to ordinary siblings, and _ genes compared to monozygotic twins.