Question 1

Colorblindness is more common in males than in females because

Accepted Answer

A)  males receive only one allele (on the X chromosome) for that gene for color vision. 
B)  females often do not experience the same gene-environment interactions as males. 
C)  the gene for colorblindness is on the Y chromosome. 
D)  the gene for red-green colorblindness is dominant. 
A)  males receive only one allele (on the X chromosome) for that gene for color vision. 
B)  females often do not experience the same gene-environment interactions as males. 
C)  the gene for colorblindness is on the Y chromosome. 
D)  the gene for red-green colorblindness is dominant.

Question 2

Which factor was identical for all of the Genain quadruplets?

Accepted Answer

A)  The ways in which they exhibited symptoms of schizophrenia 
B)  The genetic makeup that contributed to the onset of schizophrenia 
C)  The environmental factors that contributed to the onset of schizophrenia 
D)  The age of onset of schizophrenia 
A)  The ways in which they exhibited symptoms of schizophrenia 
B)  The genetic makeup that contributed to the onset of schizophrenia 
C)  The environmental factors that contributed to the onset of schizophrenia 
D)  The age of onset of schizophrenia

Question 3

Which development is likely to result in decreased expression of some genes by a cell?

Accepted Answer

A)  Significant events that alter an individual's genotype 
B)  Biological events that cause the cell to multiply rapidly 
C)  Environmental changes that reduce the need for those genes to make particular proteins 
D)  Environmental changes that accelerate other vital cell processes over a short timespan 
A)  Significant events that alter an individual's genotype 
B)  Biological events that cause the cell to multiply rapidly 
C)  Environmental changes that reduce the need for those genes to make particular proteins 
D)  Environmental changes that accelerate other vital cell processes over a short timespan

Question 4

Which statement best describes a valid gene-environment interaction on behavior?

Accepted Answer

A)  Identical twins adopted by different families often display behaviors typical of their adoptive families. 
B)  In rats, littermates reared by mothers of different strains display the same exploratory behavior as their biological siblings. 
C)  Two people with the same phenotype may not share the same genotype. 
D)  Shrews raised in a lab without their mother fail to nurture their young. 
A)  Identical twins adopted by different families often display behaviors typical of their adoptive families. 
B)  In rats, littermates reared by mothers of different strains display the same exploratory behavior as their biological siblings. 
C)  Two people with the same phenotype may not share the same genotype. 
D)  Shrews raised in a lab without their mother fail to nurture their young.

Question 5

An individual with a father who developed Huntington's disease and a mother who was never at risk for it will develop the disease unless she

Accepted Answer

A)  inherited a normal allele from her mother and none from her father. 
B)  inherited only the dominant allele from her father and none from her mother. 
C)  experienced significantly different environmental conditions from her father. 
D)  experienced a significant genetic mutation at the time of fertilization. 
A)  inherited a normal allele from her mother and none from her father. 
B)  inherited only the dominant allele from her father and none from her mother. 
C)  experienced significantly different environmental conditions from her father. 
D)  experienced a significant genetic mutation at the time of fertilization.

Question 6

In terms of which genes cells use to make particular proteins, differences among cells are due to differences in gene

Accepted Answer

A)  replication. 
B)  mutation. 
C)  expression. 
D)  interaction. 
A)  replication. 
B)  mutation. 
C)  expression. 
D)  interaction.

Question 7

To which pair of siblings would the term "dizygotic" apply?

Accepted Answer

A)  Two brothers born several years apart 
B)  A brother and sister born at the same time 
C)  Two sisters originating from a single fertilized egg 
D)  A brother and sister born several years apart 
A)  Two brothers born several years apart 
B)  A brother and sister born at the same time 
C)  Two sisters originating from a single fertilized egg 
D)  A brother and sister born several years apart

Question 8

Twins who do not share 100 percent of their genes are called

Accepted Answer

A)  dizygotic. 
B)  monozygotic. 
C)  identical. 
D)  discordant. 
A)  dizygotic. 
B)  monozygotic. 
C)  identical. 
D)  discordant.

Question 9

Gene expression is fundamentally linked to experience because

Accepted Answer

A)  sensory experience from behavior affects gene expression in many neurons. 
B)  experiences are dictated by the type of genes expressed at any given time. 
C)  an individual phenotype must be present in sensory experience to alter gene function. 
D)  motor stimulation is a form of gene expression. 
A)  sensory experience from behavior affects gene expression in many neurons. 
B)  experiences are dictated by the type of genes expressed at any given time. 
C)  an individual phenotype must be present in sensory experience to alter gene function. 
D)  motor stimulation is a form of gene expression.

Question 10

Tim and Eric are twins whose parents both have schizophrenia. If only Tim ends up developing the disorder, the twins are said to be _______ for the disorder.

Accepted Answer

The answer of Tim and Eric are twins whose parents...

Question 11

Use the following to answer questions:
Refer to the graph below.
  
-Which factor best explains why environment might be a confounding variable in comparisons across groups in the graph?

Accepted Answer

A)  Some pairs of relatives share more genes than other pairs of relatives. 
B)  Close relatives tend to be raised in similar surroundings. 
C)  Compared with close relatives, distant relatives have fewer close relatives in common. 
D)  Many external sources of stress are unaccounted for in research. 
A)  Some pairs of relatives share more genes than other pairs of relatives. 
B)  Close relatives tend to be raised in similar surroundings. 
C)  Compared with close relatives, distant relatives have fewer close relatives in common. 
D)  Many external sources of stress are unaccounted for in research.

Question 12

Sensory experience from behavior is an especially important factor in gene-environment interaction because

Accepted Answer

A)  many sensory traits are related to dominant alleles. 
B)  many genes are adaptive for coping with the environment. 
C)  levels of activity in neurons influence gene expression. 
D)  extreme hardship can accelerate genetic mutation. 
A)  many sensory traits are related to dominant alleles. 
B)  many genes are adaptive for coping with the environment. 
C)  levels of activity in neurons influence gene expression. 
D)  extreme hardship can accelerate genetic mutation.

Question 13

Which statement best supports the conclusion that gene-environment interaction was a major factor in the performance of "maze-dull" rats, compared to "maze-bright" rats?

Accepted Answer

A)  Maze-dull rats were more sensitive than maze-bright rats to impoverished conditions. 
B)  Rats that were raised in impoverished conditions tended to move more slowly than rats that were raised in enriched conditions, regardless of whether the rats were maze-dull rats or maze-bright rats. 
C)  Maze-bright rats were less sensitive than maze-dull rats to enriched conditions. 
D)  Maze-bright rats and maze-dull rats that were raised in enriched conditions were among the fastest in solving the mazes. 
A)  Maze-dull rats were more sensitive than maze-bright rats to impoverished conditions. 
B)  Rats that were raised in impoverished conditions tended to move more slowly than rats that were raised in enriched conditions, regardless of whether the rats were maze-dull rats or maze-bright rats. 
C)  Maze-bright rats were less sensitive than maze-dull rats to enriched conditions. 
D)  Maze-bright rats and maze-dull rats that were raised in enriched conditions were among the fastest in solving the mazes.

Question 14

Which is true for a twenty-year-old woman with a gene for Huntington's disease?

Accepted Answer

A)  It is likely that symptoms of Huntington's disease have already started to appear. 
B)  It is likely that symptoms of Huntington's disease appeared in childhood and have since faded. 
C)  She will probably be stricken with Huntington's disease before her 25th birthday. 
D)  She is most likely to develop symptoms of Huntington's disease by middle age. 
A)  It is likely that symptoms of Huntington's disease have already started to appear. 
B)  It is likely that symptoms of Huntington's disease appeared in childhood and have since faded. 
C)  She will probably be stricken with Huntington's disease before her 25th birthday. 
D)  She is most likely to develop symptoms of Huntington's disease by middle age.

Question 15

Imagine that humans could be born with either pinkish or brownish fingernails, and that there is a different allele for each fingernail color. If your father had brownish fingernails, your mother had pinkish fingernails, and you were born with brownish fingernails, that means that

Accepted Answer

A)  fingernail color is determined by your sex. 
B)  the allele for brownish fingernails is dominant. 
C)  the allele for pinkish fingernails is recessive. 
D)  the allele for brownish fingernails is recessive. 
A)  fingernail color is determined by your sex. 
B)  the allele for brownish fingernails is dominant. 
C)  the allele for pinkish fingernails is recessive. 
D)  the allele for brownish fingernails is recessive.

Question 16

Which is true of twins who are discordant for a certain trait?

Accepted Answer

A)  Neither of them has the trait. 
B)  Both of them have the trait in a similar degree. 
C)  Both of them have the trait, but in different degrees. 
D)  One of them has the trait and the other does not. 
A)  Neither of them has the trait. 
B)  Both of them have the trait in a similar degree. 
C)  Both of them have the trait, but in different degrees. 
D)  One of them has the trait and the other does not.

Question 17

Liver cells differ from brain cells in terms of the genes they

Accepted Answer

A)  copy. 
B)  express. 
C)  contain. 
D)  receive. 
A)  copy. 
B)  express. 
C)  contain. 
D)  receive.

Question 18

Which area of the brain does Huntington's disease damage the most?

Accepted Answer

A)  Frontal cortex 
B)  Cerebellum 
C)  Striatum 
D)  Brain stem 
A)  Frontal cortex 
B)  Cerebellum 
C)  Striatum 
D)  Brain stem

Question 19

Brad and George are twins whose parents both have blue eyes. Brad and George also have blue eyes, meaning that the twins are _______ for that trait.

Accepted Answer

A)  discordant 
B)  bisimilar 
C)  concordant 
D)  confounding 
A)  discordant 
B)  bisimilar 
C)  concordant 
D)  confounding

Question 20

Which of the following demonstrates an epigenetic effect?

Accepted Answer

A)  A child who sleeps in a cold bedroom wakes up crying throughout the night. 
B)  A mother who is unable to breastfeed her infant fails to bond with him. 
C)  A young adult whose father is an alcoholic abstains from consuming alcohol. 
D)  A mother who smokes during her pregnancy gives birth to a child with a low birth weight. 
A)  A child who sleeps in a cold bedroom wakes up crying throughout the night. 
B)  A mother who is unable to breastfeed her infant fails to bond with him. 
C)  A young adult whose father is an alcoholic abstains from consuming alcohol. 
D)  A mother who smokes during her pregnancy gives birth to a child with a low birth weight.

Colorblindness is more common in males than in females because

Which factor was identical for all of the Genain quadruplets?

Which development is likely to result in decreased expression of some genes by a cell?

Which statement best describes a valid gene-environment interaction on behavior?

An individual with a father who developed Huntington's disease and a mother who was never at risk for it will develop the disease unless she

In terms of which genes cells use to make particular proteins, differences among cells are due to differences in gene

To which pair of siblings would the term "dizygotic" apply?

Twins who do not share 100 percent of their genes are called

Gene expression is fundamentally linked to experience because

Tim and Eric are twins whose parents both have schizophrenia. If only Tim ends up developing the disorder, the twins are said to be _______ for the disorder.

Use the following to answer questions: Refer to the graph below. -Which factor best explains why environment might be a confounding variable in comparisons across groups in the graph?

Sensory experience from behavior is an especially important factor in gene-environment interaction because

Which statement best supports the conclusion that gene-environment interaction was a major factor in the performance of "maze-dull" rats, compared to "maze-bright" rats?

Which is true for a twenty-year-old woman with a gene for Huntington's disease?

Imagine that humans could be born with either pinkish or brownish fingernails, and that there is a different allele for each fingernail color. If your father had brownish fingernails, your mother had pinkish fingernails, and you were born with brownish fingernails, that means that

Which is true of twins who are discordant for a certain trait?

Liver cells differ from brain cells in terms of the genes they

Which area of the brain does Huntington's disease damage the most?

Brad and George are twins whose parents both have blue eyes. Brad and George also have blue eyes, meaning that the twins are _______ for that trait.

Which of the following demonstrates an epigenetic effect?

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

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Exam 4: Genes, Environment, and Behavior

Colorblindness is more common in males than in females because

Which factor was identical for all of the Genain quadruplets?

Which development is likely to result in decreased expression of some genes by a cell?

Which statement best describes a valid gene-environment interaction on behavior?

An individual with a father who developed Huntington's disease and a mother who was never at risk for it will develop the disease unless she

In terms of which genes cells use to make particular proteins, differences among cells are due to differences in gene

To which pair of siblings would the term "dizygotic" apply?

Twins who do not share 100 percent of their genes are called

Gene expression is fundamentally linked to experience because

Tim and Eric are twins whose parents both have schizophrenia. If only Tim ends up developing the disorder, the twins are said to be _______ for the disorder.

Use the following to answer questions: Refer to the graph below. -Which factor best explains why environment might be a confounding variable in comparisons across groups in the graph?

Sensory experience from behavior is an especially important factor in gene-environment interaction because

Which statement best supports the conclusion that gene-environment interaction was a major factor in the performance of "maze-dull" rats, compared to "maze-bright" rats?

Which is true for a twenty-year-old woman with a gene for Huntington's disease?

Imagine that humans could be born with either pinkish or brownish fingernails, and that there is a different allele for each fingernail color. If your father had brownish fingernails, your mother had pinkish fingernails, and you were born with brownish fingernails, that means that

Which is true of twins who are discordant for a certain trait?

Liver cells differ from brain cells in terms of the genes they

Which area of the brain does Huntington's disease damage the most?

Brad and George are twins whose parents both have blue eyes. Brad and George also have blue eyes, meaning that the twins are _______ for that trait.

Which of the following demonstrates an epigenetic effect?

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