Question 1

Even though your body changes and you develop new physical and behavioral characteristics, your _______ never changes.

Accepted Answer

A)  archetype 
B)  phenotype 
C)  appearance 
D)  genotype 
A)  archetype 
B)  phenotype 
C)  appearance 
D)  genotype

Question 2

Many research findings indicate that disease, malnutrition, and neglect _______ the probability that a person will develop schizophrenia.

Accepted Answer

A)  increase 
B)  decrease 
C)  do not affect 
D)  negate 
A)  increase 
B)  decrease 
C)  do not affect 
D)  negate

Question 3

An individual's brown hair is an example of a

Accepted Answer

A)  trait. 
B)  recessive allele. 
C)  genotype. 
D)  dominant allele. 
A)  trait. 
B)  recessive allele. 
C)  genotype. 
D)  dominant allele.

Question 4

Genes regulate protein synthesis by

Accepted Answer

A)  coding for the arrangement of ribosomes on DNA molecules. 
B)  specifying which amino acids will be joined together, and in what order. 
C)  regulating the influx of ions like sodium and potassium, which code for proteins. 
D)  setting the cell's biological clock and controlling how and when a cell divides. 
A)  coding for the arrangement of ribosomes on DNA molecules. 
B)  specifying which amino acids will be joined together, and in what order. 
C)  regulating the influx of ions like sodium and potassium, which code for proteins. 
D)  setting the cell's biological clock and controlling how and when a cell divides.

Question 5

Based on the conclusions from the Walker and Lewine (1990) study of home movies, what signs might one look for in an infant who may eventually develop schizophrenia?

Accepted Answer

A)  Abnormal hair growth 
B)  Well-developed social skills 
C)  Abnormal crawling behavior 
D)  High birth weight 
A)  Abnormal hair growth 
B)  Well-developed social skills 
C)  Abnormal crawling behavior 
D)  High birth weight

Question 6

Regardless of what your current _______ displays, your _______ never changes.

Accepted Answer

A)  genotype; phenotype 
B)  phenotype; genotype 
C)  prototype; phenotype 
D)  prototype; genotype 
A)  genotype; phenotype 
B)  phenotype; genotype 
C)  prototype; phenotype 
D)  prototype; genotype

Question 7

Gene-environment interactions shape the development of many of our traits. Choosing one of your traits, describe how a gene-environment interaction might have influenced its development.

Accepted Answer

Answers will vary, but they should addre

Question 8

How can males be more susceptible to colorblindness than females if the gene for colorblindness is on the X chromosome?

Accepted Answer

The gene for one of the proteins for col

Question 9

Describe a scenario that would support the argument that genetic factors are more influential than environmental factors in the development of schizophrenia.

Accepted Answer

Identical twins are separated

Question 10

If you and your sibling share a trait, then by definition you

Accepted Answer

A)  have the same goals. 
B)  share a particular genotype. 
C)  inherited the same dominant gene. 
D)  share a physical or behavioral characteristic feature. 
A)  have the same goals. 
B)  share a particular genotype. 
C)  inherited the same dominant gene. 
D)  share a physical or behavioral characteristic feature.

Question 11

Harmful dominant alleles, like those for the huntingtin gene, are not common because in most cases

Accepted Answer

A)  the brain does not make very many of them. 
B)  the carrier can only pass on the allele to another dominant carrier. 
C)  the body tends to suppress the action of dominant genes until adulthood. 
D)  the carrier does not survive long enough to pass on the allele via reproduction. 
A)  the brain does not make very many of them. 
B)  the carrier can only pass on the allele to another dominant carrier. 
C)  the body tends to suppress the action of dominant genes until adulthood. 
D)  the carrier does not survive long enough to pass on the allele via reproduction.

Question 12

What have twin studies revealed about the traits of monozygotic twins compared with the traits of dizygotic twins?

Accepted Answer

A)  Monozygotic twins tend to be more concordant than dizygotic twins. 
B)  The two types of twins are equally concordant. 
C)  One monozygotic twin is usually more concordant with other (non-twin) siblings than with the other monozygotic twin. 
D)  Two monozygotic twins are less concordant than two dizygotic twins. 
A)  Monozygotic twins tend to be more concordant than dizygotic twins. 
B)  The two types of twins are equally concordant. 
C)  One monozygotic twin is usually more concordant with other (non-twin) siblings than with the other monozygotic twin. 
D)  Two monozygotic twins are less concordant than two dizygotic twins.

Question 13

The modern treatment for PKU is an example of a gene-environment interaction because it involves

Accepted Answer

A)  altering the genome of the mother before fertilization. 
B)  control of the amount of phenylalanine in the child's diet. 
C)  surgical intervention before birth. 
D)  control of the type of mating behavior the child can have after puberty. 
A)  altering the genome of the mother before fertilization. 
B)  control of the amount of phenylalanine in the child's diet. 
C)  surgical intervention before birth. 
D)  control of the type of mating behavior the child can have after puberty.

Question 14

The primary reason that confounding variables pose problems for researchers is because they tend to

Accepted Answer

A)  vary in magnitude. 
B)  be difficult to measure. 
C)  vary along with one another. 
D)  be difficult to explain scientifically. 
A)  vary in magnitude. 
B)  be difficult to measure. 
C)  vary along with one another. 
D)  be difficult to explain scientifically.

Question 15

Use the following to answer questions:
Refer to the graph below.
  
-Which claim, with regard to spouses, does the information in the graph support?

Accepted Answer

A)  One percent of the time, both spouses will develop schizophrenia over their lifetimes. 
B)  One percent of the time, one spouse will develop schizophrenia over his or her lifetime and the other will not. 
C)  When one spouse has developed schizophrenia, the lifetime risk of the other spouse developing schizophrenia is 1 percent. 
D)  When one spouse has developed schizophrenia, the lifetime risk of the other spouse developing schizophrenia is 99 percent. 
A)  One percent of the time, both spouses will develop schizophrenia over their lifetimes. 
B)  One percent of the time, one spouse will develop schizophrenia over his or her lifetime and the other will not. 
C)  When one spouse has developed schizophrenia, the lifetime risk of the other spouse developing schizophrenia is 1 percent. 
D)  When one spouse has developed schizophrenia, the lifetime risk of the other spouse developing schizophrenia is 99 percent.

Question 16

The genes for _______ are carried on the X chromosome, meaning that any dysfunctional allele will have a greater effect on males, who only have a single X chromosome.

Accepted Answer

color visi

Question 17

Based on other epigenetic studies, which of the following findings would you expect from a study of dogs that were raised by adoptive mothers?

Accepted Answer

A)  Their behavior would be similar to that of their biological littermates that were raised by their biological mothers. 
B)  Their behavior would most closely mimic that of the person or people to whom they bonded. 
C)  Their behavior would be similar to that of other dogs that were raised by the same adoptive mothers. 
D)  Behavior would be unique to each dog, depending on specific genetic makeup. 
A)  Their behavior would be similar to that of their biological littermates that were raised by their biological mothers. 
B)  Their behavior would most closely mimic that of the person or people to whom they bonded. 
C)  Their behavior would be similar to that of other dogs that were raised by the same adoptive mothers. 
D)  Behavior would be unique to each dog, depending on specific genetic makeup.

Question 18

A recessive allele affects an individual's phenotype only when it is present on

Accepted Answer

A)  both chromosomes. 
B)  a single chromosome. 
C)  the same chromosome as a dominant allele. 
D)  a chromosome that is paired with one with a dominant allele. 
A)  both chromosomes. 
B)  a single chromosome. 
C)  the same chromosome as a dominant allele. 
D)  a chromosome that is paired with one with a dominant allele.

Question 19

Both parents of twins Mary and Shelly have schizophrenia. However, only Mary developed the disorder. This means that the twins are _______ for schizophrenia.

Accepted Answer

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

Question 20

Estimates of the heritability of risk-taking, parental warmth, and openness are between 38 and 57 percent. This implies that

Accepted Answer

A)  most of the behaviors we present are caused by our genes. 
B)  genes account for some of the variation in those traits, but experience is also important. 
C)  experience accounts for the majority of the variation in those traits. 
D)  it is not possible to measure how much of the variation in those traits is due to the environment. 
A)  most of the behaviors we present are caused by our genes. 
B)  genes account for some of the variation in those traits, but experience is also important. 
C)  experience accounts for the majority of the variation in those traits. 
D)  it is not possible to measure how much of the variation in those traits is due to the environment.

Even though your body changes and you develop new physical and behavioral characteristics, your _______ never changes.

Many research findings indicate that disease, malnutrition, and neglect _______ the probability that a person will develop schizophrenia.

An individual's brown hair is an example of a

Genes regulate protein synthesis by

Based on the conclusions from the Walker and Lewine (1990) study of home movies, what signs might one look for in an infant who may eventually develop schizophrenia?

Regardless of what your current _ displays, your _ never changes.

Gene-environment interactions shape the development of many of our traits. Choosing one of your traits, describe how a gene-environment interaction might have influenced its development.

How can males be more susceptible to colorblindness than females if the gene for colorblindness is on the X chromosome?

Describe a scenario that would support the argument that genetic factors are more influential than environmental factors in the development of schizophrenia.

If you and your sibling share a trait, then by definition you

Harmful dominant alleles, like those for the huntingtin gene, are not common because in most cases

What have twin studies revealed about the traits of monozygotic twins compared with the traits of dizygotic twins?

The modern treatment for PKU is an example of a gene-environment interaction because it involves

The primary reason that confounding variables pose problems for researchers is because they tend to

Use the following to answer questions: Refer to the graph below. -Which claim, with regard to spouses, does the information in the graph support?

The genes for _______ are carried on the X chromosome, meaning that any dysfunctional allele will have a greater effect on males, who only have a single X chromosome.

Based on other epigenetic studies, which of the following findings would you expect from a study of dogs that were raised by adoptive mothers?

A recessive allele affects an individual's phenotype only when it is present on

Both parents of twins Mary and Shelly have schizophrenia. However, only Mary developed the disorder. This means that the twins are _______ for schizophrenia.

Estimates of the heritability of risk-taking, parental warmth, and openness are between 38 and 57 percent. This implies that

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

Even though your body changes and you develop new physical and behavioral characteristics, your _______ never changes.

Many research findings indicate that disease, malnutrition, and neglect _______ the probability that a person will develop schizophrenia.

An individual's brown hair is an example of a

Genes regulate protein synthesis by

Based on the conclusions from the Walker and Lewine (1990) study of home movies, what signs might one look for in an infant who may eventually develop schizophrenia?

Regardless of what your current _______ displays, your _______ never changes.

Gene-environment interactions shape the development of many of our traits. Choosing one of your traits, describe how a gene-environment interaction might have influenced its development.

How can males be more susceptible to colorblindness than females if the gene for colorblindness is on the X chromosome?

Describe a scenario that would support the argument that genetic factors are more influential than environmental factors in the development of schizophrenia.

If you and your sibling share a trait, then by definition you

Harmful dominant alleles, like those for the huntingtin gene, are not common because in most cases

What have twin studies revealed about the traits of monozygotic twins compared with the traits of dizygotic twins?

The modern treatment for PKU is an example of a gene-environment interaction because it involves

The primary reason that confounding variables pose problems for researchers is because they tend to

Use the following to answer questions: Refer to the graph below. -Which claim, with regard to spouses, does the information in the graph support?

The genes for _______ are carried on the X chromosome, meaning that any dysfunctional allele will have a greater effect on males, who only have a single X chromosome.

Based on other epigenetic studies, which of the following findings would you expect from a study of dogs that were raised by adoptive mothers?

A recessive allele affects an individual's phenotype only when it is present on

Both parents of twins Mary and Shelly have schizophrenia. However, only Mary developed the disorder. This means that the twins are _______ for schizophrenia.

Estimates of the heritability of risk-taking, parental warmth, and openness are between 38 and 57 percent. This implies that

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

Regardless of what your current _ displays, your _ never changes.