Question 1

Epigenetic changes:

Accepted Answer

A)  affect the expression of genes and the traits they influence. 
B)  alter the sequence of bases in DNA. 
C)  occur before birth but not afterwards. 
D)  are the same as mutations. 
A)  affect the expression of genes and the traits they influence. 
B)  alter the sequence of bases in DNA. 
C)  occur before birth but not afterwards. 
D)  are the same as mutations.

Question 2

Psychologists who emphasized the role of genes and nature in the creation of human diversity were called empiricists.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following best describes the position of most psychologists today on the nature-nurture issue?

Accepted Answer

A)  Nature and nurture interact to produce both our psychological and physical traits. 
B)  Nature is more important in producing our physical traits, whereas nurture is more important in producing our psychological traits. 
C)  Nature is more important in producing our psychological traits, whereas nurture is more important in producing our physical traits. 
D)  Some of our psychological traits are produced primarily by nature and some by nurture, but nature is most important in producing our physical traits. 
A)  Nature and nurture interact to produce both our psychological and physical traits. 
B)  Nature is more important in producing our physical traits, whereas nurture is more important in producing our psychological traits. 
C)  Nature is more important in producing our psychological traits, whereas nurture is more important in producing our physical traits. 
D)  Some of our psychological traits are produced primarily by nature and some by nurture, but nature is most important in producing our physical traits.

Question 4

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences is called:

Accepted Answer

A)  molecular biology. 
B)  epigenetics. 
C)  evolutionary psychology. 
D)  behavioral genetics. 
A)  molecular biology. 
B)  epigenetics. 
C)  evolutionary psychology. 
D)  behavioral genetics.

Question 5

Describe the structure of DNA. Who discovered this structure?

Accepted Answer

A good answer will include the following

Question 6

According to sociobiologists, males typically have a large biological investment in each pregnancy they produce.

Accepted Answer

A) True 
 B)False

Question 7

The functional units of heredity that are located on chromosomes, are composed of DNA, and specify the structure of proteins are called:

Accepted Answer

A)  genomes. 
B)  ribosomes. 
C)  genes. 
D)  nuclei. 
A)  genomes. 
B)  ribosomes. 
C)  genes. 
D)  nuclei.

Question 8

According to your textbook, which of the following environmental factors is associated with reduced intelligence?

Accepted Answer

A)  poor prenatal care 
B)  consumption of artificial sweetener 
C)  exposure to video games 
D)  intergenerational households 
A)  poor prenatal care 
B)  consumption of artificial sweetener 
C)  exposure to video games 
D)  intergenerational households

Question 9

_______________ is defined as a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

Accepted Answer

A)  Heredity 
B)  Heritability 
C)  Diversity 
D)  Expressivity 
A)  Heredity 
B)  Heritability 
C)  Diversity 
D)  Expressivity

Question 10

_______________ may occur because of mistakes made when DNA copies itself during cell divisions or because of environmental factors such as ultraviolet radiation from the sun.

Accepted Answer

A)  Mutations 
B)  Noncoding DNA 
C)  Epigenetics 
D)  Twins 
A)  Mutations 
B)  Noncoding DNA 
C)  Epigenetics 
D)  Twins

Question 11

The human genome is estimated to contain about _______________ genes.

Accepted Answer

A)  7,000 
B)  22,000 
C)  46,000 
D)  303,000 
A)  7,000 
B)  22,000 
C)  46,000 
D)  303,000

Question 12

What is epigenetics? How are epigenetic changes different than genetic changes?

Accepted Answer

A good answer will include the following

Question 13

The distribution of the scores on an IQ test approximates a bell-shaped curve.

Accepted Answer

A) True 
 B)False

Question 14

Evolutionary biologists often start with an observation about some characteristic and then try to account for it in evolutionary terms. How might they explain the difference in the plumage of male peacocks when compared to the females?

Accepted Answer

A good answer will include the following

Question 15

For adults, heritability estimates for intelligence average around ______________.

Accepted Answer

A)  .10-.20 
B)  .20-.30 
C)  .60-.80 
D)  .90-1.00 
A)  .10-.20 
B)  .20-.30 
C)  .60-.80 
D)  .90-1.00

Question 16

According to sociobiologists, it is evolutionarily beneficial for females to:

Accepted Answer

A)  attach themselves to dominant males. 
B)  compete with other females for access to young males. 
C)  have more male offspring than female offspring. 
D)  be promiscuous and drawn to sexual novelty. 
A)  attach themselves to dominant males. 
B)  compete with other females for access to young males. 
C)  have more male offspring than female offspring. 
D)  be promiscuous and drawn to sexual novelty.

Question 17

Males should be promiscuous and drawn to sexual novelty, according to sociobiologists.

Accepted Answer

A) True 
 B)False

Question 18

"Junk DNA" has no real function and is not biologically important.

Accepted Answer

A) True 
 B)False

Question 19

All of the cells of the human body (except for sperm and ova cells) contain _______________ chromosomes.

Accepted Answer

A)  23 
B)  46 
C)  23,000 
D)  46,000 
A)  23 
B)  46 
C)  23,000 
D)  46,000

Question 20

Within every cell are rod-shaped structures called ribosomes that carry genes.

Accepted Answer

A) True 
 B)False

Epigenetic changes:

Psychologists who emphasized the role of genes and nature in the creation of human diversity were called empiricists.

Which of the following best describes the position of most psychologists today on the nature-nurture issue?

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences is called:

Describe the structure of DNA. Who discovered this structure?

According to sociobiologists, males typically have a large biological investment in each pregnancy they produce.

The functional units of heredity that are located on chromosomes, are composed of DNA, and specify the structure of proteins are called:

According to your textbook, which of the following environmental factors is associated with reduced intelligence?

_______________ is defined as a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

_______________ may occur because of mistakes made when DNA copies itself during cell divisions or because of environmental factors such as ultraviolet radiation from the sun.

The human genome is estimated to contain about _______________ genes.

What is epigenetics? How are epigenetic changes different than genetic changes?

The distribution of the scores on an IQ test approximates a bell-shaped curve.

Evolutionary biologists often start with an observation about some characteristic and then try to account for it in evolutionary terms. How might they explain the difference in the plumage of male peacocks when compared to the females?

For adults, heritability estimates for intelligence average around ______________.

According to sociobiologists, it is evolutionarily beneficial for females to:

Males should be promiscuous and drawn to sexual novelty, according to sociobiologists.

"Junk DNA" has no real function and is not biologically important.

All of the cells of the human body (except for sperm and ova cells) contain _______________ chromosomes.

Within every cell are rod-shaped structures called ribosomes that carry genes.

What Is Psychology

How Psychologists Do Research

The Brain and Nervous System

Body Rhythms and Mental States

Sensation and Perception

Learning and Conditioning

Behavior in Social and Cultural Context

Thinking and Intelligence

Memory

Emotion, Stress, and Health

Motivation

Development Over the Life Span

Theories of Personality

Psychological Disorders

Approaches to Treatment and Therapy

Filters

Exam 3: Genes, Evolution, and Environment

Epigenetic changes:

Psychologists who emphasized the role of genes and nature in the creation of human diversity were called empiricists.

Which of the following best describes the position of most psychologists today on the nature-nurture issue?

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences is called:

Describe the structure of DNA. Who discovered this structure?

According to sociobiologists, males typically have a large biological investment in each pregnancy they produce.

The functional units of heredity that are located on chromosomes, are composed of DNA, and specify the structure of proteins are called:

According to your textbook, which of the following environmental factors is associated with reduced intelligence?

_______________ is defined as a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

_______________ may occur because of mistakes made when DNA copies itself during cell divisions or because of environmental factors such as ultraviolet radiation from the sun.

The human genome is estimated to contain about _______________ genes.

What is epigenetics? How are epigenetic changes different than genetic changes?

The distribution of the scores on an IQ test approximates a bell-shaped curve.

Evolutionary biologists often start with an observation about some characteristic and then try to account for it in evolutionary terms. How might they explain the difference in the plumage of male peacocks when compared to the females?

For adults, heritability estimates for intelligence average around ______________.

According to sociobiologists, it is evolutionarily beneficial for females to:

Males should be promiscuous and drawn to sexual novelty, according to sociobiologists.

"Junk DNA" has no real function and is not biologically important.

All of the cells of the human body (except for sperm and ova cells) contain _______________ chromosomes.

Within every cell are rod-shaped structures called ribosomes that carry genes.

What Is Psychology

How Psychologists Do Research

The Brain and Nervous System

Body Rhythms and Mental States

Sensation and Perception

Learning and Conditioning

Behavior in Social and Cultural Context

Thinking and Intelligence

Memory

Emotion, Stress, and Health

Motivation

Development Over the Life Span

Theories of Personality

Psychological Disorders

Approaches to Treatment and Therapy

Filters