Question 1

Scientists estimate that the heritability of depression is around 37 percent. This suggests that

Accepted Answer

A)  37 percent of people who carry a gene for depression will develop depression at some point in their lives. 
B)  genes explain 37 percent of people with depression, while environmental influences explain the other 63 percent. 
C)  about 37 percent of the variability in depression in the population is due to the variability in the genes in the population. 
D)  about 37 percent of depressed people in the population have expressed a gene carried by everyone in the population. 
A)  37 percent of people who carry a gene for depression will develop depression at some point in their lives. 
B)  genes explain 37 percent of people with depression, while environmental influences explain the other 63 percent. 
C)  about 37 percent of the variability in depression in the population is due to the variability in the genes in the population. 
D)  about 37 percent of depressed people in the population have expressed a gene carried by everyone in the population.

Question 2

Which single gene effect do men display more often than women?

Accepted Answer

A)  The inability to distinguish red from green 
B)  The inability to distinguish different pitches 
C)  A gradual decline in the ability to focus on distant objects 
D)  A gradual decline in the ability to hear 
A)  The inability to distinguish red from green 
B)  The inability to distinguish different pitches 
C)  A gradual decline in the ability to focus on distant objects 
D)  A gradual decline in the ability to hear

Question 3

Weaver and colleagues (2005) found that rats whose mothers were more attentive and licked them more frequently as pups tended to produce less _______ as adults.

Accepted Answer

stress hor

Question 4

Which is most consistent with the textbook's characterization of how nurture influences behavior?

Accepted Answer

A)  Nurture provides all of the necessary elements for determining our behaviors. 
B)  Genes activate our behaviors. 
C)  Learning experiences and social interactions affect how we use the genes that we inherited. 
D)  We learn most of our behaviors from social interactions. 
A)  Nurture provides all of the necessary elements for determining our behaviors. 
B)  Genes activate our behaviors. 
C)  Learning experiences and social interactions affect how we use the genes that we inherited. 
D)  We learn most of our behaviors from social interactions.

Question 5

The scientific study of factors that affect gene expression is called

Accepted Answer

A)  population genetics. 
B)  epigenetics. 
C)  epidemiology. 
D)  ecological genetics. 
A)  population genetics. 
B)  epigenetics. 
C)  epidemiology. 
D)  ecological genetics.

Question 6

Factors that affect how our genes are expressed are involved primarily in the scientific study of

Accepted Answer

A)  epigenetics. 
B)  clinical psychology. 
C)  psychoneuroimmunology. 
D)  phylogenetics. 
A)  epigenetics. 
B)  clinical psychology. 
C)  psychoneuroimmunology. 
D)  phylogenetics.

Question 7

Why are heritability estimates (e.g., those for alcoholism) often inflated?

Accepted Answer

Heritability estimates are based on twin

Question 8

Your _______ represents genetic information that is with you from birth, while your _______, or your actual physical appearance, and behavioral tendencies change from day to day.

Accepted Answer

The answer of Your _______ represents genetic information that is...

Question 9

Next to each allele on a strand of DNA are instructions for _______.

Accepted Answer

The answer of Next to each allele on a strand...

Question 10

When one identical twin has schizophrenia, the other develops it only about half of the time. What is the most likely explanation for this?

Accepted Answer

A)  There is an environmental component involved in developing schizophrenia. 
B)  The twin who develops schizophrenia has a genetic mutation that the other twin does not have. 
C)  Identical twins share most genes, but they do not share the gene for schizophrenia. 
D)  Any genetic links to schizophrenia disappear once a person reaches early adulthood. 
A)  There is an environmental component involved in developing schizophrenia. 
B)  The twin who develops schizophrenia has a genetic mutation that the other twin does not have. 
C)  Identical twins share most genes, but they do not share the gene for schizophrenia. 
D)  Any genetic links to schizophrenia disappear once a person reaches early adulthood.

Question 11

Before scientists fully understood the cause of PKU, infants with the disorder often developed

Accepted Answer

A)  mental impairment. 
B)  colorblindness. 
C)  somatosensory hallucinations. 
D)  early-onset schizophrenia. 
A)  mental impairment. 
B)  colorblindness. 
C)  somatosensory hallucinations. 
D)  early-onset schizophrenia.

Question 12

Why is it difficult for psychologists to define the specific genes involved in disorders like depression and schizophrenia?

Accepted Answer

A)  The specific gene that causes each disorder is usually the same. 
B)  A person with a disorder like depression or schizophrenia tends to have a much higher number of genes than a person without such a disorder. 
C)  There are likely numerous genes that influence the various symptoms of each disorder. 
D)  It is difficult to distinguish a depressed person from a person who is schizophrenic. 
A)  The specific gene that causes each disorder is usually the same. 
B)  A person with a disorder like depression or schizophrenia tends to have a much higher number of genes than a person without such a disorder. 
C)  There are likely numerous genes that influence the various symptoms of each disorder. 
D)  It is difficult to distinguish a depressed person from a person who is schizophrenic.

Question 13

Your friend has a twin brother who bears very little resemblance to her. They are most likely _______ twins.

Accepted Answer

A)  monozygotic 
B)  identical 
C)  heterozygotic 
D)  dizygotic 
A)  monozygotic 
B)  identical 
C)  heterozygotic 
D)  dizygotic

Question 14

A warm and nurturing home environment could affect the future of a baby with a family history of schizophrenia by

Accepted Answer

A)  teaching him that he is safe and secure, even when he is not. 
B)  leaving him alone to teach him independence at a very early age. 
C)  reducing or eliminating controllable sources of stress. 
D)  modeling "normal" behavior so he will not develop schizophrenia. 
A)  teaching him that he is safe and secure, even when he is not. 
B)  leaving him alone to teach him independence at a very early age. 
C)  reducing or eliminating controllable sources of stress. 
D)  modeling "normal" behavior so he will not develop schizophrenia.

Question 15

What does it mean to say that schizophrenia is heritable?

Accepted Answer

A)  People who inherit the genes for schizophrenia will always present symptoms of the disorder. 
B)  People with close blood relatives with schizophrenia are more likely to develop symptoms than the general population. 
C)  One percent of the population will inherit schizophrenia. 
D)  People with close blood relatives with schizophrenia are immune to the disorder. 
A)  People who inherit the genes for schizophrenia will always present symptoms of the disorder. 
B)  People with close blood relatives with schizophrenia are more likely to develop symptoms than the general population. 
C)  One percent of the population will inherit schizophrenia. 
D)  People with close blood relatives with schizophrenia are immune to the disorder.

Question 16

According to the theory of natural selection, how does a mutation get passed on to offspring?

Accepted Answer

If a mutation improves the abi

Question 17

Heritability estimates tell us

Accepted Answer

A)  the degree to which variations in a population can be attributed to genetics. 
B)  the rate at which people in a given population develop a particular disorder. 
C)  the percentage of people who can pass on a specific gene to a child. 
D)  the chance that any one person will carry a particular gene. 
A)  the degree to which variations in a population can be attributed to genetics. 
B)  the rate at which people in a given population develop a particular disorder. 
C)  the percentage of people who can pass on a specific gene to a child. 
D)  the chance that any one person will carry a particular gene.

Question 18

Which environmental influence is most closely linked with the development of schizophrenia in children who inherit genes for the disorder?

Accepted Answer

A)  Exposure to a family member with the disorder 
B)  Complications during birth 
C)  Extreme pressure to achieve 
D)  Poor performance in school 
A)  Exposure to a family member with the disorder 
B)  Complications during birth 
C)  Extreme pressure to achieve 
D)  Poor performance in school

Question 19

A person who has PKU should avoid all food containing

Accepted Answer

A)  phenobarbital. 
B)  lactobacillus. 
C)  phenylalanine. 
D)  phenylephrine. 
A)  phenobarbital. 
B)  lactobacillus. 
C)  phenylalanine. 
D)  phenylephrine.

Question 20

Psychologist Nancy Wexler discovered the gene for _______ disease, enabling children of people with the disease to be tested to determine whether they carry the harmful allele.

Accepted Answer

The answer of Psychologist Nancy Wexler discovered the gene for...

Scientists estimate that the heritability of depression is around 37 percent. This suggests that

Which single gene effect do men display more often than women?

Weaver and colleagues (2005) found that rats whose mothers were more attentive and licked them more frequently as pups tended to produce less _______ as adults.

Which is most consistent with the textbook's characterization of how nurture influences behavior?

The scientific study of factors that affect gene expression is called

Factors that affect how our genes are expressed are involved primarily in the scientific study of

Why are heritability estimates (e.g., those for alcoholism) often inflated?

Your _ represents genetic information that is with you from birth, while your _, or your actual physical appearance, and behavioral tendencies change from day to day.

Next to each allele on a strand of DNA are instructions for _______.

When one identical twin has schizophrenia, the other develops it only about half of the time. What is the most likely explanation for this?

Before scientists fully understood the cause of PKU, infants with the disorder often developed

Why is it difficult for psychologists to define the specific genes involved in disorders like depression and schizophrenia?

Your friend has a twin brother who bears very little resemblance to her. They are most likely _______ twins.

A warm and nurturing home environment could affect the future of a baby with a family history of schizophrenia by

What does it mean to say that schizophrenia is heritable?

According to the theory of natural selection, how does a mutation get passed on to offspring?

Heritability estimates tell us

Which environmental influence is most closely linked with the development of schizophrenia in children who inherit genes for the disorder?

A person who has PKU should avoid all food containing

Psychologist Nancy Wexler discovered the gene for _______ disease, enabling children of people with the disease to be tested to determine whether they carry the harmful allele.

Introduction: Principles of Psychology

Psychology As a Science

The Neuroscience of Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

Exam 4: Genes, Environment, and Behavior

Scientists estimate that the heritability of depression is around 37 percent. This suggests that

Which single gene effect do men display more often than women?

Weaver and colleagues (2005) found that rats whose mothers were more attentive and licked them more frequently as pups tended to produce less _______ as adults.

Which is most consistent with the textbook's characterization of how nurture influences behavior?

The scientific study of factors that affect gene expression is called

Factors that affect how our genes are expressed are involved primarily in the scientific study of

Why are heritability estimates (e.g., those for alcoholism) often inflated?

Your _______ represents genetic information that is with you from birth, while your _______, or your actual physical appearance, and behavioral tendencies change from day to day.

Next to each allele on a strand of DNA are instructions for _______.

When one identical twin has schizophrenia, the other develops it only about half of the time. What is the most likely explanation for this?

Before scientists fully understood the cause of PKU, infants with the disorder often developed

Why is it difficult for psychologists to define the specific genes involved in disorders like depression and schizophrenia?

Your friend has a twin brother who bears very little resemblance to her. They are most likely _______ twins.

A warm and nurturing home environment could affect the future of a baby with a family history of schizophrenia by

What does it mean to say that schizophrenia is heritable?

According to the theory of natural selection, how does a mutation get passed on to offspring?

Heritability estimates tell us

Which environmental influence is most closely linked with the development of schizophrenia in children who inherit genes for the disorder?

A person who has PKU should avoid all food containing

Psychologist Nancy Wexler discovered the gene for _______ disease, enabling children of people with the disease to be tested to determine whether they carry the harmful allele.

Introduction: Principles of Psychology

Psychology As a Science

The Neuroscience of Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

Your _ represents genetic information that is with you from birth, while your _, or your actual physical appearance, and behavioral tendencies change from day to day.