Question 1

All human babies, regardless of which culture they live in or which language is spoken around them, begin to babble at about the same age. This is an example of

Accepted Answer

A)   species heredity.
B)   natural selection.
C)   mutation.
D)   recessive genetics.

Question 2

Which statement concerning human sex chromosomes is true?

Accepted Answer

A)   The X chromosome has more genes.
B)   The Y chromosome has more genes.
C)   The X and Y chromosome have the same number of genes.
D)   The difference between the number of genes on the X and Y chromosome has not been established.

Question 3

The consistent parenting style exhibited by parents toward all their children would represent a _____ for the children.

Accepted Answer

A)   shared environmental experience
B)   genetic effect
C)   nonshared environmental experience
D)   crossing over effect

Question 4

Species heredity is very important to our understanding of individual differences in human growth and development.

Accepted Answer

A) True 
 B)False

Question 5

The genetic endowment that most members of a particular species have in common is called

Accepted Answer

A)   a phenotype.
B)   the collective unconscious.
C)   eugenics.
D)   species heredity.

Question 6

An individual who is a carrier of a trait has

Accepted Answer

A)   two dominant genes, both calling for the presence of the trait.
B)   two recessive genes, both calling for the presence of the trait.
C)   one dominant gene calling for the absence of the trait and one recessive gene calling for the presence of the trait.
D)   one dominant gene calling for the presence of the trait and one recessive gene calling for the absence of the trait.

Question 7

A sex-linked characteristic most likely involves a problem with the _____ chromosome.

Accepted Answer

A)   X
B)   3rd
C)   17th
D)   21st A

Question 8

During a(n) _____, a needle is inserted through a pregnant woman's abdomen and a sample of fluid containing cells shed by the fetus are extracted.

Accepted Answer

The answer of During a(n) _____, a needle is inserted...

Question 9

When Topaz comments on Azure's "blue eyes," Topaz is describing an example of a(n)

Accepted Answer

A)   karyotype.
B)   genotype.
C)   sex-linked trait.
D)   phenotype.

Question 10

In order to produce fraternal twins you must have two

Accepted Answer

A)   X chromosomes.
B)   sperm.
C)   Y chromosomes.
D)   recessive genes.

Question 11

Jeff's mother died from Huntington's disease and he inherited the Huntington's gene.  What is the likelihood he will also develop symptoms of Huntington's disease?

Accepted Answer

A)   Jeff will almost certainly develop Huntington's.
B)   Jeff's odds of developing Huntington's are 1 in 2.
C)   Jeff's odds of developing Huntington's are 1 in 4.
D)   Jeff's odds of developing Huntington's depends on the gene he inherited from his father.

Question 12

The apolipoprotein E or apoE gene is associated with an increased risk for developing

Accepted Answer

A)   Down syndrome.
B)   Alzheimer's disease.
C)   Turner's syndrome.
D)   Huntington's disease. B

Question 13

Most complex human characteristics, such as personality and intelligence, are inherited via

Accepted Answer

A)   a single gene pair.
B)   sex-linked inheritance.
C)   polygenic inheritance.
D)   mutation of one or more genes. C

Question 14

The key characteristic of polygenetic traits is that they ALWAYS involve

Accepted Answer

A)   a mutation.
B)   sex cells.
C)   multiple pairs of genes.
D)   recessive genes.

Question 15

Compare and contrast Down syndrome, Turner syndrome, and Klinefelter's syndrome.

Accepted Answer

Down syndrome, Turner syndrome, and Klin...

Question 16

Compare and contrast passive gene-environment correlations, evocative gene-environmental correlations, and active gene-environmental correlations.

Accepted Answer

Passive gene-environment correlations oc...

Question 17

During a preimplantation genetic diagnosis, a(n)

Accepted Answer

A)   mother's blood is checked for pathogens.
B)   amniotic sac is punctured.
C)   fertilized egg is inspected.
D)   catheter is inserted.

Question 18

Tony and Tina are both carriers of the same defective gene for a genetic disorder. As knowledgeable individuals, they know that each time they have a child there is a _____ risk that child will be a carrier for the disorder.

Accepted Answer

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

Question 19

If green eyes are dominant and designated as "G" and gray eyes are recessive and designated as "g," probability would predict that if a couple each with a "Gg" eye color genotype had four children, _____ would have gray eyes.

Accepted Answer

A)   none
B)   one
C)   two
D)   four

Question 20

Jack desperately wants to have a son. He and his wife already have three children, all girls. Jack divorces his wife and remarries. He expects that his new wife will be more successful in providing him with a son. Which of the following is true?

Accepted Answer

A)   Jack's chances of having a son are better with his new wife.
B)   Jack's chances of having a son are worse with his new wife.
C)   Jack's chances of having a son are not changed by a change in wife.
D)   Jack will be unable to have a son no matter how many children he fathers.

Exam 3: Genes, Environment, and Development

All human babies, regardless of which culture they live in or which language is spoken around them, begin to babble at about the same age. This is an example of

Correct AnswerverifiedShow Answer

Which statement concerning human sex chromosomes is true?

Correct AnswerverifiedShow Answer

The consistent parenting style exhibited by parents toward all their children would represent a _____ for the children.

Correct AnswerverifiedShow Answer

Species heredity is very important to our understanding of individual differences in human growth and development.

Correct AnswerverifiedShow Answer

The genetic endowment that most members of a particular species have in common is called

Correct AnswerverifiedShow Answer

An individual who is a carrier of a trait has

Correct AnswerverifiedShow Answer

A sex-linked characteristic most likely involves a problem with the _____ chromosome.

Correct AnswerverifiedA

During a(n) _____, a needle is inserted through a pregnant woman's abdomen and a sample of fluid containing cells shed by the fetus are extracted.

Correct AnswerverifiedShow Answer

When Topaz comments on Azure's "blue eyes," Topaz is describing an example of a(n)

Correct AnswerverifiedShow Answer

In order to produce fraternal twins you must have two

Correct AnswerverifiedShow Answer

Jeff's mother died from Huntington's disease and he inherited the Huntington's gene. What is the likelihood he will also develop symptoms of Huntington's disease?

Correct AnswerverifiedShow Answer

The apolipoprotein E or apoE gene is associated with an increased risk for developing

Correct AnswerverifiedB

Most complex human characteristics, such as personality and intelligence, are inherited via

Correct AnswerverifiedC

The key characteristic of polygenetic traits is that they ALWAYS involve

Correct AnswerverifiedShow Answer

Compare and contrast Down syndrome, Turner syndrome, and Klinefelter's syndrome.

Correct AnswerAnswered by ExamLex AIDown syndrome, Turner syndrome, and Klin...View AnswerShow Answer

Compare and contrast passive gene-environment correlations, evocative gene-environmental correlations, and active gene-environmental correlations.

Correct AnswerAnswered by ExamLex AIPassive gene-environment correlations oc...View AnswerShow Answer

During a preimplantation genetic diagnosis, a(n)

Correct AnswerverifiedShow Answer

Tony and Tina are both carriers of the same defective gene for a genetic disorder. As knowledgeable individuals, they know that each time they have a child there is a _____ risk that child will be a carrier for the disorder.

Correct AnswerverifiedShow Answer

If green eyes are dominant and designated as "G" and gray eyes are recessive and designated as "g," probability would predict that if a couple each with a "Gg" eye color genotype had four children, _____ would have gray eyes.

Correct AnswerverifiedShow Answer

Jack desperately wants to have a son. He and his wife already have three children, all girls. Jack divorces his wife and remarries. He expects that his new wife will be more successful in providing him with a son. Which of the following is true?

Correct AnswerverifiedShow Answer

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A

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C

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Down syndrome, Turner syndrome, and Klin...
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Passive gene-environment correlations oc...
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