Question 1

Mutations are random errors in ________ replication.

Accepted Answer

A)   gene
B)   chromosome
C)   DNA
D)   protein

Question 2

Identical twins who have separate placentas are somewhat less similar than identical twins who share a placenta. This best illustrates the influence of ________ on development.

Accepted Answer

A)   prenatal environments
B)   genetic predispositions
C)   gender
D)   natural selection

Question 3

Each cell of the human body has a total of

Accepted Answer

A)   23 chromosomes.
B)   23 genes.
C)   46 chromosomes.
D)   46 genes.

Question 4

The study of the relative power and limits of genetic and environmental influences on behavior and personality traits is known as

Accepted Answer

A)   molecular genetics.
B)   evolutionary psychology.
C)   behavior genetics.
D)   genome research.

Question 5

A behavior geneticist would be most interested in studying hereditary influences on

Accepted Answer

A)   skin color.
B)   sexual anatomy.
C)   physical attractiveness.
D)   personality traits.

Question 6

Gender differences in heritable personality traits cannot necessarily be attributed to male-female genetic differences because

Accepted Answer

A)   physical maturation proceeds at a different rate for males and females.
B)   variations in temperament contribute to gender differences.
C)   heritable traits can be influenced by social environments.
D)   males and females are also affected by their different sex hormones.

Question 7

Women are most likely to be sexually attracted to men who seem

Accepted Answer

A)   shy.
B)   emotionally reactive and intense.
C)   interested in casual, uncommitted sex.
D)   mature and affluent.

Question 8

Compared with women, men are more likely to

Accepted Answer

A)   initiate sexual activity.
B)   think about sex.
C)   make sacrifices to gain sex.
D)   behave in all of these ways.

Question 9

Identical twins originate from the fertilization of

Accepted Answer

A)   a single egg cell by a single sperm cell.
B)   two egg cells by a single sperm cell.
C)   a single egg cell by two sperm cells.
D)   two egg cells by two sperm cells.

Question 10

A child's temperament is likely to be

Accepted Answer

A)   difficult to observe.
B)   stable over time.
C)   a product of parenting style.
D)   a reflection of his or her gender.

Question 11

When evolutionary psychologists use the word fitness, they are specifically referring to

Accepted Answer

A)   an animal's ability to adapt to changing environments.
B)   the diversity of a species' gene pool.
C)   the total number of members of the species currently alive.
D)   our ability to survive and reproduce.

Question 12

Intense and reactive infants become unusually anxious and aroused when facing new or strange situations. This best illustrates the importance of

Accepted Answer

A)   the male chromosome.
B)   temperament.
C)   epigenetics.
D)   DNA.

Question 13

Unlike ________ twins, who develop from a single fertilized egg, ________ twins develop from separate fertilized eggs.

Accepted Answer

A)   fraternal; identical
B)   identical; fraternal
C)   placental; nonplacental
D)   nonplacental; placental

Question 14

Identical twins are most likely to share a similar prenatal environment if they share the same

Accepted Answer

A)   placenta.
B)   reproductive capacity.
C)   adaptability.
D)   fitness.

Question 15

Brittla spends a lot of money on cosmetics and expensive clothing to attract a desirable mate. According to evolutionary psychologists, Brittla's behavior is a product of

Accepted Answer

A)   temperament.
B)   gender replication.
C)   cultural expectations.
D)   genetic predispositions.

Question 16

Twin studies suggest that Alzheimer's disease is influenced by

Accepted Answer

A)   fertility.
B)   gender.
C)   heredity.
D)   mutations.

Question 17

Evolutionary psychologists would be most likely to attribute gender differences in attitudes toward casual sex to the fact that men

Accepted Answer

A)   are more dominant than women.
B)   are more fertile than women.
C)   are less individualistic than women.
D)   have greater reproductive potential than do women.

Question 18

The principle of natural selection was first advanced by

Accepted Answer

A)   Thomas Bouchard.
B)   Sigmund Freud.
C)   Charles Darwin.
D)   Sandra Scarr.

Question 19

Juan and Alonzo are fraternal twin brothers, whereas Jake and Alex are identical twin brothers. The similarities between Jake and Alex with respect to ________ are likely to be greater than the similarities between Juan and Alonzo.

Accepted Answer

A)   extraversion
B)   neuroticism
C)   temperament
D)   all of these characteristics

Question 20

Those who defend evolutionary psychology against criticism are most likely to suggest that evolutionary principles

Accepted Answer

A)   generate testable predictions.
B)   are intended to be descriptive but not explanatory.
C)   are more applicable to men than to women.
D)   are more applicable to humans than to nonhuman animal species.

Exam 11: Behavior Genetics and Evolutionary Psychology

Twin studies suggest that Alzheimer's disease is influenced by

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Women are most likely to be sexually attracted to men who seem

Correct AnswerverifiedShow Answer

Identical twins originate from the fertilization of

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Intense and reactive infants become unusually anxious and aroused when facing new or strange situations. This best illustrates the importance of

Correct AnswerverifiedShow Answer

Gender differences in heritable personality traits cannot necessarily be attributed to male-female genetic differences because

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Unlike ________ twins, who develop from a single fertilized egg, ________ twins develop from separate fertilized eggs.

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Evolutionary psychologists would be most likely to attribute gender differences in attitudes toward casual sex to the fact that men

Correct AnswerverifiedShow Answer

The study of the relative power and limits of genetic and environmental influences on behavior and personality traits is known as

Correct AnswerverifiedShow Answer

A child's temperament is likely to be

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Identical twins are most likely to share a similar prenatal environment if they share the same

Correct AnswerverifiedShow Answer

Each cell of the human body has a total of

Correct AnswerverifiedShow Answer

Those who defend evolutionary psychology against criticism are most likely to suggest that evolutionary principles

Correct AnswerverifiedShow Answer

Compared with women, men are more likely to

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Brittla spends a lot of money on cosmetics and expensive clothing to attract a desirable mate. According to evolutionary psychologists, Brittla's behavior is a product of

Correct AnswerverifiedShow Answer

Mutations are random errors in ________ replication.

Correct AnswerverifiedShow Answer

The principle of natural selection was first advanced by

Correct AnswerverifiedShow Answer

When evolutionary psychologists use the word fitness, they are specifically referring to

Correct AnswerverifiedShow Answer

Identical twins who have separate placentas are somewhat less similar than identical twins who share a placenta. This best illustrates the influence of ________ on development.

Correct AnswerverifiedShow Answer

A behavior geneticist would be most interested in studying hereditary influences on

Correct AnswerverifiedShow Answer

Juan and Alonzo are fraternal twin brothers, whereas Jake and Alex are identical twin brothers. The similarities between Jake and Alex with respect to ________ are likely to be greater than the similarities between Juan and Alonzo.

Correct AnswerverifiedShow Answer

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Unlike twins, who develop from a single fertilized egg, twins develop from separate fertilized eggs.

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