Question 1

X chromosome inactivation is an example of

Accepted Answer

A)   genetic engineering.
B)   a non-mendelian trait.
C)   knockout mutation.
D)   epigenetic modification.
E)   a mendelian trait.F) A) and B)
G) A) and C)

Question 2

Down syndrome is caused by a(n)

Accepted Answer

A)   dominant lethal gene.
B)   chromosomal aberration.
C)   extra Y chromosome.
D)   deletion of genetic material in chromosome pair 21.
E)   a homozygous recessive gene.F) A) and E)
G) A) and C)

Question 3

According to Wilson,

Accepted Answer

A)   the purpose of sociobiology is to develop general laws of evolution and biology of social behaviour.
B)   humans alone show a sexual division of labour.
C)   general principles of sociobiology can be expected to apply to humans rather than other animal species.
D)   environmental and genetic factors seldom interact.
E)   culture evolves independent of genetics and natural selection.F) B) and E)
G) A) and B)

Question 4

Two major milestones in human evolution were the industrial and technological revolutions that have occurred in the past two centuries.

Accepted Answer

A) True 
 B)False

Question 5

Natural selection is based on two premises: the environment's capacity to sustain a species is limited, producing competition and

Accepted Answer

A)   the environment has a stable influence on a species' survival.
B)   individuals within a species show variability in their characteristics
C)   changes in cultural evolution.
D)   the creation of new species through genetic mutation.
E)   there is variability in the characteristics of breeding parents within a species.F) D) and E)
G) A) and E)

Question 6

Which of the following statements is TRUE?

Accepted Answer

A)   In polygynous species, males invest more in offspring than females do.
B)   In humans, the costs associated with reproduction are greater for females than for males.
C)   Compared to females, males generally have fewer opportunities to reproduce.
D)   A female's reproductive success is limited ONLY by the number of times she has intercourse.
E)   In monogamous species, the male invests a significantly greater amount of time rearing the offspring than the female.F) A) and D)
G) B) and C)

Question 7

Hemophilia is caused by a chromosomal aberration.

Accepted Answer

A) True 
 B)False

Question 8

The text suggests that one way genetics can contribute to psychology is by

Accepted Answer

A)   explaining animal behaviours rather than human.
B)   providing proximal rather than ultimate explanations for human behaviour.
C)   providing explanations for some psychological disorders.
D)   identifying the specific gene responsible for each behaviour.
E)   providing ultimate rather than proximal explanations for human behaviour.F) A) and B)
G) B) and D)

Question 9

Novelty seeking is related to the two personality dimensions of extroversion and conscientiousness.

Accepted Answer

A) True 
 B)False

Question 10

Immediate environmental events that affect behaviour are called __________ causes.

Accepted Answer

A)   proximate
B)   ultimate
C)   evolutionary
D)   situational
E)   directF) All of the above
G) A) and B)

Question 11

Each sperm or ova contains __________ chromosomes.

Accepted Answer

A)   23
B)   23 pairs of
C)   46
D)   46 pairs of
E)   both X and YF) A) and B)
G) C) and E)

Question 12

Which of the following statements is FALSE?

Accepted Answer

A)   Altruism is the unselfish concern of one person for the welfare of another.
B)   Instances of altruism are limited to our species.
C)   Altruistic behaviour may mean the difference between life and death.
D)   Altruistic behaviour appears to have some genetic basis.
E)   Altruistic behaviour reduces the reproductive potential of the altruist.F) B) and D)
G) A) and B)

Question 13

Harris, a cultural anthropologist, claims that one important reason that the human capacity for learning has evolved is because it provided

Accepted Answer

A)   for the evolution of language.
B)   cultural evolution.
C)   well organized community living.
D)   reinforcement of human's strong social tendencies.
E)   the ability to take advantage of new opportunities.F) B) and D)
G) C) and D)

Question 14

Suppose that because of a sudden change in the environment, finches with long thin beaks become better at securing food than finches with other types of beaks. Assuming that the characteristics of beaks have a genetic component, we would expect that

Accepted Answer

A)   future environments for these finches will remain about the same.
B)   natural selection will favour the long, thin beaked genotype.
C)   finches with other beak genotypes will become extinct.
D)   the number of finches with long, thin beaks will stay about the same.
E)   finches with shorter beaks will find new environments to feed in.F) A) and B)
G) B) and D)

Question 15

An example of a trait caused by a sex-influenced gene is

Accepted Answer

A)   pattern baldness.
B)   hemophilia.
C)   Huntington's disease.
D)   PKU.
E)   eye colour.F) A) and D)
G) B) and D)

Question 16

In monogamous species, such as ours, females tend to be less selective in choosing a mate than males tend to be.

Accepted Answer

A) True 
 B)False

Question 17

During a robbery, one of the robbers turned and fired a gun at Bill. Bill's fellow employee Tom jumps in front of Bill and takes the bullet in his shoulder. Tom's action is considered to be an example of

Accepted Answer

A)   kin selection.
B)   altruism.
C)   natural selection.
D)   employee assistance.
E)   employee selection.F) None of the above
G) All of the above

Question 18

Heredity is the study of the genetic makeup of organisms and how it influences their physical and behavioural characteristics.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT an important finding or implication of Peter Grant's (1986)  study of finches on the Galapagos Islands?

Accepted Answer

A)   Natural selection can exert noticeable effects on a species in a relatively small time period.
B)   Phenotypic variation can produce selective advantages that influence the ability to survive.
C)   Competition for mates among members of the same species is unaffected by the degree of phenotypic variation.
D)   Ecological conditions (in this case, the weather and available food supply)  can interact with phenotypical characteristics to determine survival.
E)   Phenotypic characteristics that can be advantageous under specific environmental conditions can be a disadvantage when environmental conditions change.F) B) and D)
G) B) and C)

Question 20

How do sociobiologists explain altruism?

Accepted Answer

The answer to this question should begin...

Exam 3: Evolution, Heredity, and Behaviour

Novelty seeking is related to the two personality dimensions of extroversion and conscientiousness.

Correct AnswerverifiedShow Answer

Hemophilia is caused by a chromosomal aberration.

Correct AnswerverifiedShow Answer

Immediate environmental events that affect behaviour are called __________ causes.

Correct AnswerverifiedShow Answer

Down syndrome is caused by a(n)

Correct AnswerverifiedShow Answer

According to Wilson,

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

How do sociobiologists explain altruism?

Correct AnswerverifiedThe answer to this question should begin...View AnswerShow Answer

Which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

Each sperm or ova contains __________ chromosomes.

Correct AnswerverifiedShow Answer

X chromosome inactivation is an example of

Correct AnswerverifiedShow Answer

Heredity is the study of the genetic makeup of organisms and how it influences their physical and behavioural characteristics.

Correct AnswerverifiedShow Answer

Harris, a cultural anthropologist, claims that one important reason that the human capacity for learning has evolved is because it provided

Correct AnswerverifiedShow Answer

During a robbery, one of the robbers turned and fired a gun at Bill. Bill's fellow employee Tom jumps in front of Bill and takes the bullet in his shoulder. Tom's action is considered to be an example of

Correct AnswerverifiedShow Answer

The text suggests that one way genetics can contribute to psychology is by

Correct AnswerverifiedShow Answer

In monogamous species, such as ours, females tend to be less selective in choosing a mate than males tend to be.

Correct AnswerverifiedShow Answer

Natural selection is based on two premises: the environment's capacity to sustain a species is limited, producing competition and

Correct AnswerverifiedShow Answer

Which of the following is NOT an important finding or implication of Peter Grant's (1986) study of finches on the Galapagos Islands?

Correct AnswerverifiedShow Answer

An example of a trait caused by a sex-influenced gene is

Correct AnswerverifiedShow Answer

Suppose that because of a sudden change in the environment, finches with long thin beaks become better at securing food than finches with other types of beaks. Assuming that the characteristics of beaks have a genetic component, we would expect that

Correct AnswerverifiedShow Answer

Two major milestones in human evolution were the industrial and technological revolutions that have occurred in the past two centuries.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The answer to this question should begin...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified