Question 1

Natural selection should favor behaviors that

Accepted Answer

A)   reduce mating with relatives.
B)   increase mating with relatives.
C)   increase mating with siblings but not parents.
D)   decrease the chances of outbred matings.

Question 2

Bridewealth payment among the Kipsigis is dependent on the

Accepted Answer

A)   wealth of the groom.
B)   size of the groom's father's herd of cattle and goats.
C)   age of menarche of the bride.
D)   groom's father's wealth.

Question 3

In Buss's cross-cultural survey of mate preferences, he found that males and females cared most about

Accepted Answer

A)   chastity.
B)   good health.
C)   mutual attraction and love.
D)   good sex.

Question 4

Menarche refers to

Accepted Answer

A)   societies controlled by men.
B)   societies where men essentially purchase wives by paying a bride price.
C)   the time of a woman's first menstruation.
D)   the time of a woman's first coitus.

Question 5

In Buss's cross-cultural study, chastity was

Accepted Answer

A)   an important mate quality in Sweden but not China.
B)   an important mate quality in China but not Sweden.
C)   important in both China and Sweden.
D)   unimportant in both Sweden and China.

Question 6

Which of the following is the best predictor of mate preferences?

Accepted Answer

A)   sex
B)   age
C)   political views
D)   culture

Question 7

Phenotypic traits result from

Accepted Answer

A)   learning.
B)   genes.
C)   an interaction of genes and environment.
D)   the environment.

Question 8

Among nonhuman primates, which of the following statements about inbreeding is true?

Accepted Answer

A)   It is common.
B)   It is rare.
C)   It occurs when animals are bored.
D)   It is avoided only with siblings.

Question 9

The way genes are expressed-in the phenotype-is influenced by which of the following?

Accepted Answer

A)   the genes of the parents
B)   the local environment
C)   the age of the organism
D)   the culture

Question 10

An evolutionary approach to human behavior

Accepted Answer

A)   implies that differences in behavior among humans are the product of genetic differences between individuals.
B)   does not imply that differences in behavior among humans are the product of genetic differences between individuals.
C)   is possible only because humans have a fossil record.
D)   could not be done prior to the discovery of genetics and DNA.

Question 11

The "nature-nurture question" proposes that

Accepted Answer

A)   people vary simply because they have different genes and live in different environments.
B)   there is a clear distinction between the effects of genes (nature)  and the effects of the environment (nurture) .
C)   the expression of genes is dependent upon the local environment.
D)   all of human behavior is determined by genes.

Question 12

Offspring of outbred matings have ________ offspring of inbred matings.

Accepted Answer

A)   lower fitness than
B)   the same fitness as
C)   higher fitness than
D)   more variable fitness than

Question 13

Which of the following statements correctly describes inbreeding?

Accepted Answer

A)   It increases the chances of deleterious recessive alleles coming together in one individual.
B)   It is bad because individuals with families have more defects than individuals without families.
C)   It decreases the chances of deleterious recessives coming together in one individual.
D)   It is good because it removes deleterious alleles from the population.

Question 14

If the coefficient of relatedness between mates is 50%, and both are heterozygous for a deleterious recessive allele, Mendel's laws predict that ________ of their offspring will be homozygous recessive and die.

Accepted Answer

A)   25%
B)   50%
C)   75%
D)   100%

Question 15

In Buss's cross-cultural survey, which of the following traits did males value more than females?

Accepted Answer

A)   ambition and industriousness
B)   good looks
C)   virginity
D)   sexual experience

Question 16

A woman's ________ peaks in her twenties and then steadily declines until she reaches menopause, when it drops to zero.

Accepted Answer

A)   fertility
B)   sexuality
C)   reproductive value
D)   fecundity

Question 17

Kipsigis men may assess the reproductive potential of prospective brides by

Accepted Answer

A)   counting a woman's number of previous sexual partners.
B)   calculating their age at menarche.
C)   their weight.
D)   their height.

Question 18

The advantage of outbreeding over inbreeding, and why inbreeding is avoided in humans and other primates, is that it

Accepted Answer

A)   reduces the risk of the expression of deleterious alleles.
B)   reduces the risk of heterozygosity.
C)   increases the likelihood of the expression of deleterious alleles.
D)   increases the likelihood of homozygosity.

Question 19

Which of the following statements is true?

Accepted Answer

A)   Phenotypic traits result from either an individual's genes or from the impact of the environment, but not from both factors.
B)   Kristaps is tall because his genes specified that he'd be tall.
C)   The expression of any genotype depends on the environment.
D)   Genes are like blueprints specifying an individual's phenotype.

Question 20

One problem with the concept of the environment of evolutionary adaptedness is that

Accepted Answer

A)   there is little fossil evidence from 240-40 ka.
B)   some scientists believe that small-scale agricultural communities would make a better model.
C)   our ancestors did not practice inbreeding avoidance.
D)   modern hunter-gatherers are different from our ancestors in many ways.

Exam 15: Evolution and Human Behavior

Among nonhuman primates, which of the following statements about inbreeding is true?

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Which of the following statements is true?

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Phenotypic traits result from

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A woman's ________ peaks in her twenties and then steadily declines until she reaches menopause, when it drops to zero.

Correct AnswerverifiedShow Answer

The "nature-nurture question" proposes that

Correct AnswerverifiedShow Answer

Which of the following statements correctly describes inbreeding?

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One problem with the concept of the environment of evolutionary adaptedness is that

Correct AnswerverifiedShow Answer

The advantage of outbreeding over inbreeding, and why inbreeding is avoided in humans and other primates, is that it

Correct AnswerverifiedShow Answer

Menarche refers to

Correct AnswerverifiedShow Answer

Bridewealth payment among the Kipsigis is dependent on the

Correct AnswerverifiedShow Answer

The way genes are expressed-in the phenotype-is influenced by which of the following?

Correct AnswerverifiedShow Answer

Kipsigis men may assess the reproductive potential of prospective brides by

Correct AnswerverifiedShow Answer

In Buss's cross-cultural survey of mate preferences, he found that males and females cared most about

Correct AnswerverifiedShow Answer

In Buss's cross-cultural study, chastity was

Correct AnswerverifiedShow Answer

If the coefficient of relatedness between mates is 50%, and both are heterozygous for a deleterious recessive allele, Mendel's laws predict that ________ of their offspring will be homozygous recessive and die.

Correct AnswerverifiedShow Answer

Natural selection should favor behaviors that

Correct AnswerverifiedShow Answer

Offspring of outbred matings have ________ offspring of inbred matings.

Correct AnswerverifiedShow Answer

An evolutionary approach to human behavior

Correct AnswerverifiedShow Answer

In Buss's cross-cultural survey, which of the following traits did males value more than females?

Correct AnswerverifiedShow Answer

Which of the following is the best predictor of mate preferences?

Correct AnswerverifiedShow Answer

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