Question 1

Vinay uses data from his study to estimate that the heritability of athletic ability is 0.60. This implies that about 60%:

Accepted Answer

A)  of the variation in athletic ability is due to genetics. 
B)  of the variation in athletic ability is due to environment. 
C)  of people are athletic. 
D)  of people are not athletic. 
A)  of the variation in athletic ability is due to genetics. 
B)  of the variation in athletic ability is due to environment. 
C)  of people are athletic. 
D)  of people are not athletic.

Question 2

Which of the following statements is true about heritability?

Accepted Answer

A)  Heritability allows a person to determine how much of his or her intelligence is determined by genetics. 
B)  A trait with high heritability generally cannot be modified by experience. 
C)  If a trait is determined to be highly heritable in one environment, it will be so in all environments. 
D)  Heritability cannot be directly measured; it must be inferred based on studies of people with a known degree of genetic similarity. 
A)  Heritability allows a person to determine how much of his or her intelligence is determined by genetics. 
B)  A trait with high heritability generally cannot be modified by experience. 
C)  If a trait is determined to be highly heritable in one environment, it will be so in all environments. 
D)  Heritability cannot be directly measured; it must be inferred based on studies of people with a known degree of genetic similarity.

Question 3

Evolutionary psychologists have found from extensive studies around the world that:

Accepted Answer

A)  women, compared to men, are more interested in the physical attractiveness of their partners. 
B)  women, compared to men, are more sexually jealous and possessive of their partners. 
C)  men, compared to women, are more likely to emphasize the prospects of a potential mate. 
D)  men, compared to women, are more interested in the youth of their partners. 
A)  women, compared to men, are more interested in the physical attractiveness of their partners. 
B)  women, compared to men, are more sexually jealous and possessive of their partners. 
C)  men, compared to women, are more likely to emphasize the prospects of a potential mate. 
D)  men, compared to women, are more interested in the youth of their partners.

Question 4

The four basic chemical elements that hold the two helixes of DNA together are identified by these letters:

Accepted Answer

A)  A, G, P, D. 
B)  A, T, C, G. 
C)  G, D, B, T. 
D)  G, C, Y, T. 
A)  A, G, P, D. 
B)  A, T, C, G. 
C)  G, D, B, T. 
D)  G, C, Y, T.

Question 5

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

Accepted Answer

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

Question 6

Which of the following is true with regard to the heritability of intelligence?

Accepted Answer

A)  Monozygotic twins have nearly identical IQ scores, indicating the vast majority of variation in intelligence is genetic. 
B)  Heritability estimates for intelligence are generally greater for adults than for children. 
C)  Studies indicate that the heritability of intelligence is very low. 
D)  Regardless of age, heritability estimates for intelligence range from 0.50 to 0.70. 
A)  Monozygotic twins have nearly identical IQ scores, indicating the vast majority of variation in intelligence is genetic. 
B)  Heritability estimates for intelligence are generally greater for adults than for children. 
C)  Studies indicate that the heritability of intelligence is very low. 
D)  Regardless of age, heritability estimates for intelligence range from 0.50 to 0.70.

Question 7

Heritability is defined as:

Accepted Answer

A)  an interdisciplinary field of study concerned with the genetic bases of individual differences in behaviour and personality. 
B)  a process in which individuals with genetically influenced traits that are adaptive in a particular environment tend to survive and reproduce. 
C)  a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group. 
D)  a statistical estimate of the proportion of the total variance in some trait that is attributable to environment. 
A)  an interdisciplinary field of study concerned with the genetic bases of individual differences in behaviour and personality. 
B)  a process in which individuals with genetically influenced traits that are adaptive in a particular environment tend to survive and reproduce. 
C)  a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group. 
D)  a statistical estimate of the proportion of the total variance in some trait that is attributable to environment.

Question 8

Preet is writing an essay comparing evolutionary psychologists with sociobiologists. He points out that the two are very different because:

Accepted Answer

A)  sociobiologists rely more on comparisons to other species. 
B)  sociobiologists use the human genome to map the roots of human behaviour. 
C)  evolutionary psychologists are only interested in courtship and mating. 
D)  evolutionary psychologists are not species-specific. 
A)  sociobiologists rely more on comparisons to other species. 
B)  sociobiologists use the human genome to map the roots of human behaviour. 
C)  evolutionary psychologists are only interested in courtship and mating. 
D)  evolutionary psychologists are not species-specific.

Question 9

Handfuls of tomato seeds that vary genetically are grabbed from a bag and placed in two separate pots. The first pot has enriched soil and is exposed to sunlight, whereas the nutrients in the second pot's soil have been depleted and the pot is placed in a dark corner. When the tomato plants grow:

Accepted Answer

A)  the heritability of "between-pot" differences is 100 percent, but the heritability of "within-pot" differences is 50 percent. 
B)  the differences within each pot are due to environment and the heritability of "between-pot" differences is 100 percent. 
C)  the difference between pots is due to variations in soil and sunlight but the heritability of "within-pot" differences is 100 percent. 
D)  the heritability of "between-pot" differences and "within-pot" differences are equal, ranging from 50 percent to 60 percent. 
A)  the heritability of "between-pot" differences is 100 percent, but the heritability of "within-pot" differences is 50 percent. 
B)  the differences within each pot are due to environment and the heritability of "between-pot" differences is 100 percent. 
C)  the difference between pots is due to variations in soil and sunlight but the heritability of "within-pot" differences is 100 percent. 
D)  the heritability of "between-pot" differences and "within-pot" differences are equal, ranging from 50 percent to 60 percent.

Question 10

_______________ 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 11

Sociobiologists predict that, compared to males, females should be more likely to:

Accepted Answer

A)  be polygamous. 
B)  be monogamous. 
C)  choose a young, attractive mate. 
D)  be promiscuous. 
A)  be polygamous. 
B)  be monogamous. 
C)  choose a young, attractive mate. 
D)  be promiscuous.

Question 12

Each human chromosome has:

Accepted Answer

A)  23 pairs of genes. 
B)  23 genes. 
C)  46 pairs of genes. 
D)  thousands of genes. 
A)  23 pairs of genes. 
B)  23 genes. 
C)  46 pairs of genes. 
D)  thousands of genes.

Question 13

Which of the following statements is true about intelligence quotient?

Accepted Answer

A)  The average IQ score varies from age group to age group. 
B)  About two-thirds of all IQ test-takers score between 85 and 115. 
C)  The distribution of IQ scores in the general population is asymmetrical and shaped like a ski jump. 
D)  Very high and very low IQ scores are the most common in the general population. 
A)  The average IQ score varies from age group to age group. 
B)  About two-thirds of all IQ test-takers score between 85 and 115. 
C)  The distribution of IQ scores in the general population is asymmetrical and shaped like a ski jump. 
D)  Very high and very low IQ scores are the most common in the general population.

Question 14

Suppose a researcher finds that taste in music tends to be much more similar for identical twins than it is for fraternal twins. This would suggest that the heritability for musical taste:

Accepted Answer

A)  is relatively high. 
B)  is relatively low. 
C)  is higher for identical twins than fraternal twins. 
D)  is higher for fraternal twins than identical twins. 
A)  is relatively high. 
B)  is relatively low. 
C)  is higher for identical twins than fraternal twins. 
D)  is higher for fraternal twins than identical twins.

Question 15

For adults, heritability estimates for intelligence average around ______________.

Accepted Answer

A)  0.10-0.20 
B)  0.20-0.30 
C)  0.60-0.80 
D)  0.90-1.00 
A)  0.10-0.20 
B)  0.20-0.30 
C)  0.60-0.80 
D)  0.90-1.00

Question 16

An intelligence quotient is a(n):

Accepted Answer

A)  midpoint in a set of intelligence test scores that is computed after the scores are ordered from the highest to the lowest. 
B)  measure of the variability of intelligence test scores that is computed by taking every score in the distribution and determining how much it differs from the mean. 
C)  statistical estimate of the proportion of the total variance in intelligence that is attributable to genetic differences among individuals within a group. 
D)  measure of intelligence originally computed by dividing a person's mental age by his or her chronological age and multiplying the result by 100. 
A)  midpoint in a set of intelligence test scores that is computed after the scores are ordered from the highest to the lowest. 
B)  measure of the variability of intelligence test scores that is computed by taking every score in the distribution and determining how much it differs from the mean. 
C)  statistical estimate of the proportion of the total variance in intelligence that is attributable to genetic differences among individuals within a group. 
D)  measure of intelligence originally computed by dividing a person's mental age by his or her chronological age and multiplying the result by 100.

Question 17

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

Accepted Answer

A)  bilingual education 
B)  attending preschool 
C)  consumption of artificial sweetener 
D)  stressful family circumstances 
A)  bilingual education 
B)  attending preschool 
C)  consumption of artificial sweetener 
D)  stressful family circumstances

Question 18

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 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

Estimates of the heritability of intelligence:

Accepted Answer

A)  are higher for adults than children. 
B)  are higher for children than adults. 
C)  do not change with age. 
D)  fluctuate almost every day according to the environment. 
A)  are higher for adults than children. 
B)  are higher for children than adults. 
C)  do not change with age. 
D)  fluctuate almost every day according to the environment.

Vinay uses data from his study to estimate that the heritability of athletic ability is 0.60. This implies that about 60%:

Which of the following statements is true about heritability?

Evolutionary psychologists have found from extensive studies around the world that:

The four basic chemical elements that hold the two helixes of DNA together are identified by these letters:

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

Which of the following is true with regard to the heritability of intelligence?

Heritability is defined as:

Preet is writing an essay comparing evolutionary psychologists with sociobiologists. He points out that the two are very different because:

Handfuls of tomato seeds that vary genetically are grabbed from a bag and placed in two separate pots. The first pot has enriched soil and is exposed to sunlight, whereas the nutrients in the second pot's soil have been depleted and the pot is placed in a dark corner. When the tomato plants grow:

_______________ 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.

Sociobiologists predict that, compared to males, females should be more likely to:

Each human chromosome has:

Which of the following statements is true about intelligence quotient?

Suppose a researcher finds that taste in music tends to be much more similar for identical twins than it is for fraternal twins. This would suggest that the heritability for musical taste:

For adults, heritability estimates for intelligence average around ______________.

An intelligence quotient is a(n):

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

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

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

Estimates of the heritability of intelligence:

What Is Psychology

How Psychologists Do Research

The Brain and Nervous System

Body Rhythms and Mental States

Sensation and Perception

Learning and Conditioning

Behaviour 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

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Exam 3: Genes, Evolution, and Environment

Vinay uses data from his study to estimate that the heritability of athletic ability is 0.60. This implies that about 60%:

Which of the following statements is true about heritability?

Evolutionary psychologists have found from extensive studies around the world that:

The four basic chemical elements that hold the two helixes of DNA together are identified by these letters:

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

Which of the following is true with regard to the heritability of intelligence?

Heritability is defined as:

Preet is writing an essay comparing evolutionary psychologists with sociobiologists. He points out that the two are very different because:

Handfuls of tomato seeds that vary genetically are grabbed from a bag and placed in two separate pots. The first pot has enriched soil and is exposed to sunlight, whereas the nutrients in the second pot's soil have been depleted and the pot is placed in a dark corner. When the tomato plants grow:

_______________ 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.

Sociobiologists predict that, compared to males, females should be more likely to:

Each human chromosome has:

Which of the following statements is true about intelligence quotient?

Suppose a researcher finds that taste in music tends to be much more similar for identical twins than it is for fraternal twins. This would suggest that the heritability for musical taste:

For adults, heritability estimates for intelligence average around ______________.

An intelligence quotient is a(n):

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

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

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

Estimates of the heritability of intelligence:

What Is Psychology

How Psychologists Do Research

The Brain and Nervous System

Body Rhythms and Mental States

Sensation and Perception

Learning and Conditioning

Behaviour 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