Question 1

Which of the following is a characteristic of a child born with fetal alcohol spectrum disorder?

Accepted Answer

A)  The child may be born larger than other infants of comparable maturity and may continue to be larger than its age peers throughout life.
B)  The child may have a very high physical activity level or may even be hyperactive.
C)  The child may be mentally retarded.
D)  The child may have a large,broad nose.E) B) and C)
F) All of the above

Question 2

Most sex-linked disorders are caused by which of the following?

Accepted Answer

A)  Maternal alcoholism
B)  Fetal alcohol spectrum disorder
C)  Recessive genes
D)  Dominant genesE) All of the above
F) A) and D)

Question 3

All neonates below ________ are classified as having low birth weights.

Accepted Answer

The answer of All neonates below ________ are classified as...

Question 4

Define the concept of genomic imprinting.

Accepted Answer

The key points are: presence of a chemic...

Question 5

Which of the following is caused by a gene on the X chromosome?

Accepted Answer

A)  Tay-Sachs disease
B)  Color blindness
C)  PKU
D)  Sickle-cell diseaseE) All of the above
F) None of the above

Question 6

How does prenatal brain development influence sex differences in traits such as aggression,motor patterns,and hemispheric dominance?

Accepted Answer

The most likely cause is diffe...

Question 7

Which of the following is the best example of the expressivity of genes?

Accepted Answer

A)  Michelle and Michael are twins and they exhibit similar behaviors.
B)  Manuel's tendency to be emotional is determined by recessive genes he received from both his parents.
C)  Clara's blood type is AB because her mother was heterozygous for type B and her father was heterozygous for type A.
D)  Linda received a dominant gene for freckles from her father,but Linda's freckles are smaller,lighter,and more widely scattered than those of her father.E) A) and D)
F) None of the above

Question 8

Which of the following is associated with the second trimester of pregnancy?

Accepted Answer

A)  Formation of a mucus "plug" to seal the entrance to the uterus
B)  The zygote implants on the uterine wall
C)  Movements of the fetus
D)  NauseaE) C) and D)
F) B) and C)

Question 9

Not long after Gloria found out she was pregnant,she began having pain.When she went to her doctor,she was told that the zygote had implanted in her fallopian tube rather than in her uterus.What type of pregnancy is this?

Accepted Answer

A)  A fallopian pregnancy
B)  A zygotic pregnancy
C)  An ectopic pregnancy
D)  An interstitial pregnancyE) A) and B)
F) A) and C)

Question 10

Which of the following is associated with maternal malnutrition?

Accepted Answer

A)  A decreased risk of delivering a low birth weight infant
B)  The delayed expression of adaptive reflexes
C)  The development of mental illnesses in adulthood
D)  Brain abnormalities in which both the weight and volume of the brain are enlargedE) B) and C)
F) A) and D)

Question 11

An infant who is born with low birth weight,flattened nose,hearing loss,and heart defects is likely suffering from ________.

Accepted Answer

fetal alco...

Question 12

Blake carries two dominant genes for brown eyes.Blake is therefore ________ in his eye color chromosomes.

Accepted Answer

The answer of Blake carries two dominant genes for brown...

Question 13

When researchers have examined the relationship between maternal emotions and prenatal development,the most consistent finding has been that

Accepted Answer

A)  stressful psychological states,such as anxiety or depression,lead to spontaneous abortion or fetal death.
B)  fetuses of severely distressed mothers tend to grow more slowly.
C)  there is no link between maternal emotions and the development of the infant.
D)  infants whose mothers were anxious or depressed are more likely to be anxious or depressed as adults.E) B) and C)
F) None of the above

Question 14

Pregnant women should eat foods high in folic acid,such as beans or spinach,during pregnancy.What is the purpose of this dietary recommendation?

Accepted Answer

A)  To help moderate the effects of teratogens to which the fetus might be exposed
B)  To reduce the effects of stress on the fetus
C)  To ensure sufficient weight gain for a healthy baby
D)  To reduce the risk of neural tube defects such as spina bifidaE) C) and D)
F) B) and C)

Question 15

Which of the following is an autosomal dominant disorder?

Accepted Answer

A)  Huntington's disease
B)  Phenylketonuria
C)  Sickle-cell disease
D)  Tay-Sachs diseaseE) A) and B)
F) A) and D)

Question 16

Color blindness is considered a sex-linked disorder because the gene is only carried on the ________ chromosome.

Accepted Answer

The answer of Color blindness is considered a sex-linked disorder...

Question 17

Salina is becoming emotionally attached to her unborn fetus.Her breasts are secreting colostrum.Salina is most likely in which trimester?

Accepted Answer

A)  Third
B)  Fourth
C)  First
D)  SecondE) B) and C)
F) A) and B)

Question 18

Which of the following correctly lists the stages of prenatal development in order of progression?

Accepted Answer

A)  Fetal,embryonic,germinal
B)  Zygotic,germinal,embryonic
C)  Germinal,embryonic,fetal
D)  Embryonic,fetal,germinalE) C) and D)
F) B) and D)

Question 19

Assume that you are a young woman attending college.You plan to wait until you finish your graduate degree and are well-established in a career before having children.What research findings should you consider in this decision?

Accepted Answer

For mothers over 35,risks to t...

Question 20

Where does the fertilization of the ovum take place in a normal pregnancy?

Accepted Answer

A)  Ovary
B)  Uterus
C)  Fallopian tubes
D)  VaginaE) B) and C)
F) All of the above

Exam 3: Prenatal Development and Birth

Define the concept of genomic imprinting.

Correct AnswerverifiedThe key points are: presence of a chemic...View AnswerShow Answer

An infant who is born with low birth weight,flattened nose,hearing loss,and heart defects is likely suffering from ________.

Correct Answerverifiedfetal alco...View AnswerShow Answer

Which of the following is associated with maternal malnutrition?

Correct AnswerverifiedShow Answer

Color blindness is considered a sex-linked disorder because the gene is only carried on the ________ chromosome.

Correct AnswerverifiedShow Answer

Pregnant women should eat foods high in folic acid,such as beans or spinach,during pregnancy.What is the purpose of this dietary recommendation?

Correct AnswerverifiedShow Answer

Which of the following is the best example of the expressivity of genes?

Correct AnswerverifiedShow Answer

Blake carries two dominant genes for brown eyes.Blake is therefore ________ in his eye color chromosomes.

Correct AnswerverifiedShow Answer

Which of the following correctly lists the stages of prenatal development in order of progression?

Correct AnswerverifiedShow Answer

All neonates below ________ are classified as having low birth weights.

Correct AnswerverifiedShow Answer

Where does the fertilization of the ovum take place in a normal pregnancy?

Correct AnswerverifiedShow Answer

Assume that you are a young woman attending college.You plan to wait until you finish your graduate degree and are well-established in a career before having children.What research findings should you consider in this decision?

Correct AnswerverifiedFor mothers over 35,risks to t...View AnswerShow Answer

Not long after Gloria found out she was pregnant,she began having pain.When she went to her doctor,she was told that the zygote had implanted in her fallopian tube rather than in her uterus.What type of pregnancy is this?

Correct AnswerverifiedShow Answer

When researchers have examined the relationship between maternal emotions and prenatal development,the most consistent finding has been that

Correct AnswerverifiedShow Answer

Which of the following is associated with the second trimester of pregnancy?

Correct AnswerverifiedShow Answer

Which of the following is an autosomal dominant disorder?

Correct AnswerverifiedShow Answer

Salina is becoming emotionally attached to her unborn fetus.Her breasts are secreting colostrum.Salina is most likely in which trimester?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of a child born with fetal alcohol spectrum disorder?

Correct AnswerverifiedShow Answer

Which of the following is caused by a gene on the X chromosome?

Correct AnswerverifiedShow Answer

Most sex-linked disorders are caused by which of the following?

Correct AnswerverifiedShow Answer

How does prenatal brain development influence sex differences in traits such as aggression,motor patterns,and hemispheric dominance?

Correct AnswerverifiedThe most likely cause is diffe...View AnswerShow Answer

Correct Answer
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The key points are: presence of a chemic...
View Answer

Correct Answer
verified
fetal alco...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
For mothers over 35,risks to t...
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
The most likely cause is diffe...
View Answer