Question 1

Which of the following statements is FALSE?

Accepted Answer

A)   If a gene is recessive,the trait will be present even if only one of the parents has the gene
B)   Monozygotic twins are more similar than dizygotic twins
C)   Phenotype is the observable expression of genotype
D)   The DNA portion of the chromosome carries the hereditary blueprint in units called genes
E)   One chromosome of every pair originates from each biological parent

Question 2

The ideal way to look at genetic contributions to personality traits would be to examine

Accepted Answer

A)   brothers and sisters.
B)   parents and their children.
C)   reaction ranges.
D)   identical and fraternal twins.
E)   dominance hierarchies.

Question 3

According to "evolutionary personality" theorists (such as David Buss) ,there are a limited number of personality traits that are universal in all cultures.Further,such theorists argued that these universal traits evolved because

Accepted Answer

A)   they have contributed to the physical survival of humans.
B)   they have contributed to the reproductive success of the species.
C)   over time through the process of natural selection,they have become part of human nature.
D)   they are typically learned at a very young age.
E)   they have contributed to the physical survival of humans and they have contributed to the reproductive success of the species.

Question 4

You are observing a particular species and note that a group of males have formed a coalition and are attacking another member of the species.What species are you observing?

Accepted Answer

A)   humans
B)   chimpanzees
C)   any group of mammals
D)   any group with high parental investment
E)   could be either humans or chimps

Question 5

A mother risks her own life by rushing into a burning house to save her son.According to the theory of kin selection,she is most likely performing this altruistic behaviour because

Accepted Answer

A)   she feels she should help her son because it is expected of her.
B)   she feels she should contribute to the welfare of the society.
C)   protection of her offspring is an essential element of the loving bond between mother and child.
D)   she has a strong genetic relatedness with her son.
E)   she expects that her son will repay her in the future.

Question 6

With respect to brain regions related to dyslexia,the research described in the text points to less activation in the

Accepted Answer

A)   left temporal lobe.
B)   left frontal lobe.
C)   right temporal lobe.
D)   left pre-frontal cortex.
E)   motor cortex

Question 7

As presented in the textbook,in one of the most influential papers on modern evolutionary theory,Robert Trivers (1972) used sex differences in parental investment to explain different mating systems.Trivers argued that monogamy should be the most common mating arrangement if

Accepted Answer

A)   female parental investment is high.
B)   male parental investment is low.
C)   female parental investment is low.
D)   both male and female parental investment is high.
E)   both male and female parental investment is low.

Question 8

You are observing a new species of primates,the Bolos.You note that they are a very peaceful species and do not engage in much competition for mates.Most likely,their mating system is

Accepted Answer

A)   polyandry.
B)   monogamy.
C)   polygyny.
D)   polygynandry.
E)   random.

Question 9

Which of the following helps mammals to avoid the constant aggression associated with territorial defense and competition for mates?

Accepted Answer

A)   reciprocal altruism
B)   dominance hierarchies
C)   emotional stability
D)   scarce resources
E)   polyandry

Question 10

A mother risks her own life by rushing into a burning house to save her son.How can we explain this behaviour from a behavioural genetic viewpoint?

Accepted Answer

A)   she feels she should help her son because it is expected of her
B)   she feels she should contribute to the welfare of the society
C)   protection of her offspring is an essential element of the loving bond between mother and child
D)   kin selection
E)   reciprocal altruism

Question 11

The concept of ____________ states that genes have a predetermined,invariant,and unavoidable effect on traits and behaviour.

Accepted Answer

A)   empiricism
B)   genetic determinism
C)   social Darwinism
D)   behaviour genetics
E)   adaptation

Question 12

____________ explains that genetics defines the upper and lower limits for a trait (such as height) ,but that environment contributes where within that range the trait falls (taller or shorter) .

Accepted Answer

A)   Reaction range
B)   Genetic determinism
C)   Kin selection
D)   Polygenic range
E)   Biologically based range

Question 13

Any phenotypic expression that is the result of a number of gene pairs is produced by

Accepted Answer

A)   dominant expression.
B)   recessive expression.
C)   polygenic transmission.
D)   genome sequencing.
E)   chromosomal knockout.

Question 14

The _____________ is the genetic "blueprint",whereas the __________ is the expression of the genes.

Accepted Answer

A)   phenotype;genotype
B)   phenotype;chromosome
C)   chromosome;allele
D)   genotype;allele
E)   genotype;phenotype E

Question 15

The concept of ____________ states that if something is genetically based,it is right and good.

Accepted Answer

A)   empiricism
B)   genetic determinism
C)   social Darwinism
D)   behaviour genetics
E)   adaptation

Question 16

A change in gene frequency is typically the result of evolution.However,it could simply be due to

Accepted Answer

A)   evolutionary creation.
B)   mutations.
C)   domain specific adaptation.
D)   natural selection.
E)   social Darwinism.

Question 17

As presented in the textbook,in one of the most influential papers on modern evolutionary theory,Robert Trivers (1972) used sex differences in parental investment to explain different mating systems.Trivers argued that polygyny should be the most common mating arrangement if

Accepted Answer

A)   female parental investment is high.
B)   male parental investment is low.
C)   female parental investment is low.
D)   both male and female parental investment is high.
E)   female parental investment is high and male parental investment is low. E

Question 18

As a genetic researcher,you measure the similarity of a variety of characteristics among family members who have various degrees of genetic relationship.You are measuring

Accepted Answer

A)   concordance.
B)   reaction ranges.
C)   polygenic transmission.
D)   domain-specific adaptations.
E)   kin selection. A

Question 19

The procedure where scientists use enzymes to cut strands of DNA and then insert the pieces of DNA into other organisms is known as the

Accepted Answer

A)   gene knockout procedure.
B)   recombinant DNA procedure.
C)   polygenic transmission procedure.
D)   genome sequencing procedure.
E)   behaviour genetics technique.

Question 20

Genetic counselling offers which of the following?

Accepted Answer

A)   Information regarding individual susceptibility to some diseases
B)   Support to families facing illnesses
C)   Assistance to families with interpreting and understanding the results of genetic testing
D)   Advice when planning a pregnancy
E)   All of these answers are correct

Exam 4: Genes, Evolution, and Behaviour

Which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

The ideal way to look at genetic contributions to personality traits would be to examine

Correct AnswerverifiedShow Answer

According to "evolutionary personality" theorists (such as David Buss) ,there are a limited number of personality traits that are universal in all cultures.Further,such theorists argued that these universal traits evolved because

Correct AnswerverifiedShow Answer

You are observing a particular species and note that a group of males have formed a coalition and are attacking another member of the species.What species are you observing?

Correct AnswerverifiedShow Answer

A mother risks her own life by rushing into a burning house to save her son.According to the theory of kin selection,she is most likely performing this altruistic behaviour because

Correct AnswerverifiedShow Answer

With respect to brain regions related to dyslexia,the research described in the text points to less activation in the

Correct AnswerverifiedShow Answer

As presented in the textbook,in one of the most influential papers on modern evolutionary theory,Robert Trivers (1972) used sex differences in parental investment to explain different mating systems.Trivers argued that monogamy should be the most common mating arrangement if

Correct AnswerverifiedShow Answer

You are observing a new species of primates,the Bolos.You note that they are a very peaceful species and do not engage in much competition for mates.Most likely,their mating system is

Correct AnswerverifiedShow Answer

Which of the following helps mammals to avoid the constant aggression associated with territorial defense and competition for mates?

Correct AnswerverifiedShow Answer

A mother risks her own life by rushing into a burning house to save her son.How can we explain this behaviour from a behavioural genetic viewpoint?

Correct AnswerverifiedShow Answer

The concept of ____________ states that genes have a predetermined,invariant,and unavoidable effect on traits and behaviour.

Correct AnswerverifiedShow Answer

____________ explains that genetics defines the upper and lower limits for a trait (such as height) ,but that environment contributes where within that range the trait falls (taller or shorter) .

Correct AnswerverifiedShow Answer

Any phenotypic expression that is the result of a number of gene pairs is produced by

Correct AnswerverifiedShow Answer

The _____________ is the genetic "blueprint",whereas the __________ is the expression of the genes.

Correct AnswerverifiedE

The concept of ____________ states that if something is genetically based,it is right and good.

Correct AnswerverifiedShow Answer

A change in gene frequency is typically the result of evolution.However,it could simply be due to

Correct AnswerverifiedShow Answer

As presented in the textbook,in one of the most influential papers on modern evolutionary theory,Robert Trivers (1972) used sex differences in parental investment to explain different mating systems.Trivers argued that polygyny should be the most common mating arrangement if

Correct AnswerverifiedE

As a genetic researcher,you measure the similarity of a variety of characteristics among family members who have various degrees of genetic relationship.You are measuring

Correct AnswerverifiedA

The procedure where scientists use enzymes to cut strands of DNA and then insert the pieces of DNA into other organisms is known as the

Correct AnswerverifiedShow Answer

Genetic counselling offers which of the following?

Correct AnswerverifiedShow Answer

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The ___ is the genetic "blueprint",whereas the is the expression of the genes.

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E

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