Question 1

Which of the following statements is true of sex-linked disorders?

Accepted Answer

A) Childbirth and the stress of raising children contributes to the prevalence of sex-linked disorders in women. 
B) Hormonal fluctuations lead to a great prevalence of sex-linked disorders in women than men. 
C) Sex-linked disorders, which are more prevalent in males, are typically caused by recessive diseased alleles found on the X chromosome. 
D) Sex-linked disorders are caused by genetic mutations on the X chromosome for females and on the Y chromosome for males. 
A) Childbirth and the stress of raising children contributes to the prevalence of sex-linked disorders in women. 
B) Hormonal fluctuations lead to a great prevalence of sex-linked disorders in women than men. 
C) Sex-linked disorders, which are more prevalent in males, are typically caused by recessive diseased alleles found on the X chromosome. 
D) Sex-linked disorders are caused by genetic mutations on the X chromosome for females and on the Y chromosome for males.

Question 2

Scott suffers from metabolic insufficiency X (MIX)disorder. His mother also has MIX disorder, but his father does not. What can we conclude?

Accepted Answer

A) The MIX gene must be recessive. 
B) The MIX gene must be dominant. 
C) Scott may or may not pass down the gene for MIX disorder to his children. 
D) Scott will pass down the MIX disorder to his children, but they may not get the disease. 
A) The MIX gene must be recessive. 
B) The MIX gene must be dominant. 
C) Scott may or may not pass down the gene for MIX disorder to his children. 
D) Scott will pass down the MIX disorder to his children, but they may not get the disease.

Question 3

Researchers found that specific combinations of serotonin transporter alleles affected how students reacted to being bullied. Students with the SS alleles had the strongest reaction, those with the LL alleles the mildest reaction, and those with the heterozygous SL alleles reacted somewhere in between. What do these results suggest?

Accepted Answer

A) The L allele is the dominant allele. 
B) The S allele is the recessive allele. 
C) The S allele is the dominant allele. 
D) The L and S alleles do not have a strict dominant‑recessive relationship. 
A) The L allele is the dominant allele. 
B) The S allele is the recessive allele. 
C) The S allele is the dominant allele. 
D) The L and S alleles do not have a strict dominant‑recessive relationship.

Question 4

What is an argument against the idea that promiscuity is an ideal way to pass one's genes onto successive generations?

Accepted Answer

A) Parental care suffers when a parent has too many children. 
B) Fertility rates typically decrease when sexual activity goes beyond a threshold level. 
C) Increased sexual activity introduces a variety of fatal infections to the individual. 
D) The quality of the selected mate tends to decrease with increased promiscuity. 
A) Parental care suffers when a parent has too many children. 
B) Fertility rates typically decrease when sexual activity goes beyond a threshold level. 
C) Increased sexual activity introduces a variety of fatal infections to the individual. 
D) The quality of the selected mate tends to decrease with increased promiscuity.

Question 5

Your sister-in-law frequently comments on how many traits you seem to have in common with your eight-year-old niece. You share your extensive knowledge on genetics and explain that the chance you share an allele with your niece is ____.

Accepted Answer

A) one sixteenth 
B) one eighth 
C) one fourth 
D) one half 
A) one sixteenth 
B) one eighth 
C) one fourth 
D) one half

Question 6

Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?

Accepted Answer

A) The earliest Homo sapiens were as intelligent as contemporary humans. 
B) Although brain size has remained constant, brain density has increased. 
C) The physiological cost of a bigger brain exceeds its benefit. 
D) More efficient neuronal connections account for modern human advancements. 
A) The earliest Homo sapiens were as intelligent as contemporary humans. 
B) Although brain size has remained constant, brain density has increased. 
C) The physiological cost of a bigger brain exceeds its benefit. 
D) More efficient neuronal connections account for modern human advancements.

Question 7

On a field assignment with her students, Professor Miller observes two male elephant seals engaged in a fierce battle. She explains to her students that they are fighting for mating control of the female harem, a process termed ____.

Accepted Answer

A) intersexual selection 
B) intrasexual selection 
C) sexual fitness 
D) sexual adaptation 
A) intersexual selection 
B) intrasexual selection 
C) sexual fitness 
D) sexual adaptation

Question 8

Why is hemophilia more prevalent in males?

Accepted Answer

A) Fathers can only pass the diseased allele along to their sons. 
B) The Y chromosome activates the diseased allele on the X chromosome. 
C) There is no other X chromosome to offset the diseased gene. 
D) The diseased gene is located on the Y chromosome. 
A) Fathers can only pass the diseased allele along to their sons. 
B) The Y chromosome activates the diseased allele on the X chromosome. 
C) There is no other X chromosome to offset the diseased gene. 
D) The diseased gene is located on the Y chromosome.

Question 9

Steve and Allie, who work at the same research institute, are competing to be the first scientist to isolate novel protein X from cancer cells. They run into one another while signing up for the same lab microscope and discuss their research progress. The end result is that Steve's research project benefited from the interaction but Allie's did not. Which set of interactional styles could have occurred between Steve and Allie?

Accepted Answer

A) cooperative or altruistic 
B) spiteful or selfish 
C) altruistic or spiteful 
D) altruistic or selfish 
A) cooperative or altruistic 
B) spiteful or selfish 
C) altruistic or spiteful 
D) altruistic or selfish

Question 10

Which statement reflects how culture has influenced the reproductive success of the Waorani and Yanomamö people of the Amazonian Basin?

Accepted Answer

A) Although aggression is highly valued for both Waorani and Yanomamö men, the high mortality rates amongst aggressive males is causing these tribe populations to dwindle. 
B) Although male aggression is highly valued in both societies, aggressive Yanomamö men are more successful than Waorani men in passing along their genes because Yanomamö men stand down between conflicts. 
C) In contrast to other tribes of the same region, the Waorani and Yanomamö people value peace and tranquility and thus have had the greatest success in passing along their genes. 
D) In contrast to other tribes of the same region, the Waorani and Yanomamö people value peace and tranquility; however, because the Waorani, but not the Yanomamö people, refuse to defend themselves, their gene pool is dwindling. 
A) Although aggression is highly valued for both Waorani and Yanomamö men, the high mortality rates amongst aggressive males is causing these tribe populations to dwindle. 
B) Although male aggression is highly valued in both societies, aggressive Yanomamö men are more successful than Waorani men in passing along their genes because Yanomamö men stand down between conflicts. 
C) In contrast to other tribes of the same region, the Waorani and Yanomamö people value peace and tranquility and thus have had the greatest success in passing along their genes. 
D) In contrast to other tribes of the same region, the Waorani and Yanomamö people value peace and tranquility; however, because the Waorani, but not the Yanomamö people, refuse to defend themselves, their gene pool is dwindling.

Question 11

Why does Huntington's disease have a heritability ratio of 1.0?

Accepted Answer

A) The gene that causes Huntington's disease is dominant. 
B) In families where Huntington's disease is prevalent, it tends to appear at least once every generation. 
C) If someone inherits the gene for Huntington's disease, it is inevitable that he/she will acquire the disease. 
D) Because of environmental influences, it is difficult to predict if someone will acquire the disease despite having the diseased allele. 
A) The gene that causes Huntington's disease is dominant. 
B) In families where Huntington's disease is prevalent, it tends to appear at least once every generation. 
C) If someone inherits the gene for Huntington's disease, it is inevitable that he/she will acquire the disease. 
D) Because of environmental influences, it is difficult to predict if someone will acquire the disease despite having the diseased allele.

Question 12

Dominant alleles determine a phenotype when an individual is ____ for that particular gene.

Accepted Answer

A) neither homozygous nor heterozygous 
B) either homozygous or heterozygous 
C) only heterozygous 
D) only homozygous 
A) neither homozygous nor heterozygous 
B) either homozygous or heterozygous 
C) only heterozygous 
D) only homozygous

Question 13

Reciprocal altruism is best described as helping someone who ____.

Accepted Answer

A) has helped you in the past 
B) you expect will help you in the future 
C) makes a promise to help you with a specific task in return 
D) has an advantageous position with which to return the favor 
A) has helped you in the past 
B) you expect will help you in the future 
C) makes a promise to help you with a specific task in return 
D) has an advantageous position with which to return the favor

Question 14

Gene expression results in the synthesis of what component of a living cell?

Accepted Answer

A) proteins 
B) nucleic acids 
C) lipids 
D) carbohydrates 
A) proteins 
B) nucleic acids 
C) lipids 
D) carbohydrates

Question 15

Which scenario best illustrates the concept of natural selection?

Accepted Answer

A) The gene for sickle cell anemia has been passed down for generations because those with sickle cell anemia are typically resistant to malaria. 
B) Farmers typically breed only their strongest animals to ensure that the offspring will retain the most desirable characteristics. 
C) The gene for brown eyes is dominant; therefore, the most common eye color in the world is brown. 
D) As identical twins age, they typically show more physical differences because of epigenetic processes. 
A) The gene for sickle cell anemia has been passed down for generations because those with sickle cell anemia are typically resistant to malaria. 
B) Farmers typically breed only their strongest animals to ensure that the offspring will retain the most desirable characteristics. 
C) The gene for brown eyes is dominant; therefore, the most common eye color in the world is brown. 
D) As identical twins age, they typically show more physical differences because of epigenetic processes.

Question 16

Explain what behavioral geneticists mean by the term heritability and why it is frequently misunderstood. Provide one example of low heritability and one example of high heritability.

Accepted Answer

Heritability is the statistical likeliho

Question 17

Heritability takes into account ____.

Accepted Answer

A) only environmental factors 
B) only genetic factors 
C) both environmental and genetic factors 
D) neither environmental nor genetic factors 
A) only environmental factors 
B) only genetic factors 
C) both environmental and genetic factors 
D) neither environmental nor genetic factors

Question 18

Which statement best reflects the major histocompatibility complex (MHC)theory of sexual selection?

Accepted Answer

A) People tend to choose mates with similar MHC genotypes to prevent their offspring from acquiring autoimmune disorders. 
B) People tend to choose mates with similar MHC genotypes to increase the immune capacity of their offspring. 
C) People tend to choose mates with different MHC genotypes to prevent their offspring from acquiring autoimmune disorders. 
D) People tend to choose mates with different MHC genotypes to increase the immune capacity of their offspring. 
A) People tend to choose mates with similar MHC genotypes to prevent their offspring from acquiring autoimmune disorders. 
B) People tend to choose mates with similar MHC genotypes to increase the immune capacity of their offspring. 
C) People tend to choose mates with different MHC genotypes to prevent their offspring from acquiring autoimmune disorders. 
D) People tend to choose mates with different MHC genotypes to increase the immune capacity of their offspring.

Question 19

Molly, whose eyes are brown, inherited a gene for blue eyes from her mother and a gene for brown eyes from her father. Molly's brown eyes are part of her ____.

Accepted Answer

A) phenotype 
B) homotype 
C) heterotype 
D) allelotype 
A) phenotype 
B) homotype 
C) heterotype 
D) allelotype

Question 20

Which gene is thought to play a major role on distinctly human behaviors, including the development of language?

Accepted Answer

A) Sp1 
B) Nrf2 
C) FoxP2 
D) HIF-1a 
A) Sp1 
B) Nrf2 
C) FoxP2 
D) HIF-1a

Which of the following statements is true of sex-linked disorders?

Scott suffers from metabolic insufficiency X (MIX)disorder. His mother also has MIX disorder, but his father does not. What can we conclude?

What is an argument against the idea that promiscuity is an ideal way to pass one's genes onto successive generations?

Your sister-in-law frequently comments on how many traits you seem to have in common with your eight-year-old niece. You share your extensive knowledge on genetics and explain that the chance you share an allele with your niece is ____.

Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?

On a field assignment with her students, Professor Miller observes two male elephant seals engaged in a fierce battle. She explains to her students that they are fighting for mating control of the female harem, a process termed ____.

Why is hemophilia more prevalent in males?

Which statement reflects how culture has influenced the reproductive success of the Waorani and Yanomamö people of the Amazonian Basin?

Why does Huntington's disease have a heritability ratio of 1.0?

Dominant alleles determine a phenotype when an individual is ____ for that particular gene.

Reciprocal altruism is best described as helping someone who ____.

Gene expression results in the synthesis of what component of a living cell?

Which scenario best illustrates the concept of natural selection?

Explain what behavioral geneticists mean by the term heritability and why it is frequently misunderstood. Provide one example of low heritability and one example of high heritability.

Heritability takes into account ____.

Which statement best reflects the major histocompatibility complex (MHC)theory of sexual selection?

Molly, whose eyes are brown, inherited a gene for blue eyes from her mother and a gene for brown eyes from her father. Molly's brown eyes are part of her ____.

Which gene is thought to play a major role on distinctly human behaviors, including the development of language?

The Science of Mind: the Discipline of Psychology

The Measure of Mind: Methods of Psychology

The Biological Mind: the Physical Basis of Behavior

The Perceiving Mind: Sensation and Perception

The Aware Mind: Elements of Consciousness

The Developing Mind: Life-Span Development

The Adaptive Mind: Learning

The Knowing Mind: Memory

The Thinking Mind: Cognition, Language, and Intelligence

The Feeling Mind: Motivation and Emotion

The Individual Mind: Personality and the Self

The Connected Mind: Social Psychology

The Troubled Mind: Psychological Disorders

Healing the Troubled Mind: Therapy

The Healthy Mind: Stress and Coping, Health Psychology, and Positive Psychology

Filters

Exam 3: The Evolving Mind: Nature and Nurture Intertwined

Which of the following statements is true of sex-linked disorders?

Scott suffers from metabolic insufficiency X (MIX)disorder. His mother also has MIX disorder, but his father does not. What can we conclude?

What is an argument against the idea that promiscuity is an ideal way to pass one's genes onto successive generations?

Your sister-in-law frequently comments on how many traits you seem to have in common with your eight-year-old niece. You share your extensive knowledge on genetics and explain that the chance you share an allele with your niece is ____.

Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?

On a field assignment with her students, Professor Miller observes two male elephant seals engaged in a fierce battle. She explains to her students that they are fighting for mating control of the female harem, a process termed ____.

Why is hemophilia more prevalent in males?

Which statement reflects how culture has influenced the reproductive success of the Waorani and Yanomamö people of the Amazonian Basin?

Why does Huntington's disease have a heritability ratio of 1.0?

Dominant alleles determine a phenotype when an individual is ____ for that particular gene.

Reciprocal altruism is best described as helping someone who ____.

Gene expression results in the synthesis of what component of a living cell?

Which scenario best illustrates the concept of natural selection?

Explain what behavioral geneticists mean by the term heritability and why it is frequently misunderstood. Provide one example of low heritability and one example of high heritability.

Heritability takes into account ____.

Which statement best reflects the major histocompatibility complex (MHC)theory of sexual selection?

Molly, whose eyes are brown, inherited a gene for blue eyes from her mother and a gene for brown eyes from her father. Molly's brown eyes are part of her ____.

Which gene is thought to play a major role on distinctly human behaviors, including the development of language?

The Science of Mind: the Discipline of Psychology

The Measure of Mind: Methods of Psychology

The Biological Mind: the Physical Basis of Behavior

The Perceiving Mind: Sensation and Perception

The Aware Mind: Elements of Consciousness

The Developing Mind: Life-Span Development

The Adaptive Mind: Learning

The Knowing Mind: Memory

The Thinking Mind: Cognition, Language, and Intelligence

The Feeling Mind: Motivation and Emotion

The Individual Mind: Personality and the Self

The Connected Mind: Social Psychology

The Troubled Mind: Psychological Disorders

Healing the Troubled Mind: Therapy

The Healthy Mind: Stress and Coping, Health Psychology, and Positive Psychology

Filters