Question 1

Chromosomes are contained within

Accepted Answer

A)   brain cells.
B)   sperm cells.
C)   blood cells.
D)   all of these types of cells.E) C) and D)
F) A) and B)

Question 2

Depending on environmental conditions,specific genes can be either

Accepted Answer

A)   monozygotic or dizygotic.
B)   active or inactive.
C)   identical or fraternal.
D)   structured or unstructured.E) None of the above
F) A) and D)

Question 3

Compared with fraternal twins,identical twins are ________ similar in physical appearance.Compared with unrelated look-alike pairs of individuals,identical twins report ________ similar personalities.

Accepted Answer

A)   no more;more
B)   more;no more
C)   no more;no more
D)   more;moreE) A) and B)
F) A) and C)

Question 4

Mark and Paul are identical twins.Explain what can be expected in terms of similarities and differences (their personality,for instance).Use research findings to support your answer.

Accepted Answer

The answer of Mark and Paul are identical twins.Explain what...

Question 5

An African butterfly that is green in the summer turns brown in the fall thanks to a temperature-controlled genetic switch.This best illustrates that genes are

Accepted Answer

A)   dizygotic.
B)   self-regulating.
C)   epigenetic marks.
D)   protein molecules.E) C) and D)
F) None of the above

Question 6

A segment of DNA that provides the code for creating protein molecules is called a(n)

Accepted Answer

A)   organic methyl molecule.
B)   epigenetic mark.
C)   chromosome.
D)   gene.E) B) and C)
F) C) and D)

Question 7

The study of how the structure and function of genes interact with the environment to influence behavior is known as

Accepted Answer

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

Question 8

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 characteristicsE) A) and D)
F) All of the above

Question 9

At a genetic level,humans and chimpanzees are ________ percent identical.

Accepted Answer

A)   27
B)   52
C)   77
D)   96E) All of the above
F) B) and C)

Question 10

The genome refers to an organism's complete set of

Accepted Answer

A)   epigenetic marks.
B)   genetic material.
C)   protein molecules.
D)   heritable traits.E) A) and B)
F) A) and C)

Question 11

Professor Stapley's study of a large group of individuals indicates that 45 percent of person-to-person differences in neuroticism among the group members can be attributed to their differing genes.The 45-percent figure represents an estimate of

Accepted Answer

A)   epigenetic marks.
B)   common ancestry.
C)   heritability.
D)   temperament.E) C) and D)
F) A) and C)

Question 12

Fraternal 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.E) A) and B)
F) All of the above

Question 13

One's biologically rooted temperament helps form one's enduring

Accepted Answer

A)   genome.
B)   personality.
C)   chromosomes.
D)   epigenetic marks.E) All of the above
F) B) and C)

Question 14

To estimate trait heritability,behavior geneticists are most likely to make use of

Accepted Answer

A)   protein molecules.
B)   stress hormones.
C)   epigenetic marks.
D)   twin studies.E) All of the above
F) A) and B)

Question 15

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

Accepted Answer

A)   molecular genetics.
B)   epigenetics.
C)   behavior genetics.
D)   genome research.E) C) and D)
F) All of the above

Question 16

Adoptive parents are LEAST likely to influence the ________ of their adopted children.

Accepted Answer

A)   personality traits
B)   religious beliefs
C)   political attitudes
D)   moral valuesE) None of the above
F) B) and C)

Question 17

At about 8 months of age,infants across the world start to ________ strangers;as adults,they prefer the company of those whose attributes are ________ to their own.

Accepted Answer

A)   fear;similar
B)   enjoy;different
C)   fear;different
D)   enjoy;similarE) B) and D)
F) A) and B)

Question 18

Jimmy and Timmy are identical twins.Both have been convicted of drinking and driving.What can be said about their convictions?

Accepted Answer

A)   This is not surprising because drinking and driving convictions are 12 times greater among those who have an identical twin with such a conviction.
B)   This is not surprising because drinking and driving convictions are 25 times greater among those who have an identical twin with such a conviction.
C)   This is surprising because drinking and driving convictions are 12 times greater among those who have a fraternal twin with such a conviction.
D)   This is surprising because drinking and driving convictions are 25 times greater among those who have a fraternal twin with such a conviction.E) B) and C)
F) None of the above

Question 19

Babies with an intense and highly reactive temperament tend to be

Accepted Answer

A)   imaginative.
B)   unpredictable.
C)   fearless.
D)   dizygotic.E) All of the above
F) C) and D)

Question 20

Jason and Alex are biologically unrelated adolescents who were adopted as infants and raised together.For which of the following are Jason and Alex LEAST likely to resemble each other any more than they resemble a genetically unrelated adolescent from another home in their neighborhood?

Accepted Answer

A)   extraversion
B)   religious beliefs
C)   table manners
D)   political attitudesE) B) and C)
F) A) and B)

Exam 10: Adolescence

Adoptive parents are LEAST likely to influence the ________ of their adopted children.

Correct AnswerverifiedShow Answer

Jason and Alex are biologically unrelated adolescents who were adopted as infants and raised together.For which of the following are Jason and Alex LEAST likely to resemble each other any more than they resemble a genetically unrelated adolescent from another home in their neighborhood?

Correct AnswerverifiedShow Answer

The study of how the structure and function of genes interact with the environment to influence behavior is known as

Correct AnswerverifiedShow Answer

Mark and Paul are identical twins.Explain what can be expected in terms of similarities and differences (their personality,for instance).Use research findings to support your answer.

Correct AnswerverifiedShow Answer

One's biologically rooted temperament helps form one's enduring

Correct AnswerverifiedShow Answer

At about 8 months of age,infants across the world start to ________ strangers;as adults,they prefer the company of those whose attributes are ________ to their own.

Correct AnswerverifiedShow Answer

Jimmy and Timmy are identical twins.Both have been convicted of drinking and driving.What can be said about their convictions?

Correct AnswerverifiedShow Answer

Babies with an intense and highly reactive temperament tend to be

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

An African butterfly that is green in the summer turns brown in the fall thanks to a temperature-controlled genetic switch.This best illustrates that genes are

Correct AnswerverifiedShow Answer

The genome refers to an organism's complete set of

Correct AnswerverifiedShow Answer

To estimate trait heritability,behavior geneticists are most likely to make use of

Correct AnswerverifiedShow Answer

Professor Stapley's study of a large group of individuals indicates that 45 percent of person-to-person differences in neuroticism among the group members can be attributed to their differing genes.The 45-percent figure represents an estimate of

Correct AnswerverifiedShow Answer

At a genetic level,humans and chimpanzees are ________ percent identical.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Depending on environmental conditions,specific genes can be either

Correct AnswerverifiedShow Answer

Fraternal twins originate from the fertilization of

Correct AnswerverifiedShow Answer

A segment of DNA that provides the code for creating protein molecules is called a(n)

Correct AnswerverifiedShow Answer

Compared with fraternal twins,identical twins are ________ similar in physical appearance.Compared with unrelated look-alike pairs of individuals,identical twins report ________ similar personalities.

Correct AnswerverifiedShow Answer

Chromosomes are contained within

Correct AnswerverifiedShow Answer

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At about 8 months of age,infants across the world start to strangers;as adults,they prefer the company of those whose attributes are to their own.

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Compared with fraternal twins,identical twins are similar in physical appearance.Compared with unrelated look-alike pairs of individuals,identical twins report similar personalities.

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