Question 1

Reproductive cells are called:

Accepted Answer

A)  chromosomes. 
B)  zygotes. 
C)  DNA. 
D)  gametes.

Question 2

What five vital signs does the Apgar scale measure?

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Question 3

Use the concept of gametes to explain why your parents could have given you millions of different siblings.

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Question 4

When the effects of genes combine to form the phenotype, they are called _____ genes.

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Question 5

A newborn that weighs less than 1,000 grams would be considered _____.

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Question 6

How is the sex of a zygote determined?

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Question 7

In the _____ after conception, sex organs develop and are soon visible via ultrasound.

Accepted Answer

A)  fourth week 
B)  ninth week 
C)  twelfth week 
D)  twentieth week

Question 8

Before differentiation begins, the first cells of the zygote are called _____ cells.

Accepted Answer

A)  germinal 
B)  stem 
C)  zygotic 
D)  reproduction

Question 9

Full-term pregnancies typically last _____ from the date of conception.

Accepted Answer

A)  32 weeks 
B)  34 weeks 
C)  36 weeks 
D)  38 weeks

Question 10

Each molecule of DNA is called a(n):

Accepted Answer

A)  chromosome. 
B)  RNA. 
C)  gene. 
D)  zygote.

Question 11

What are three major developments in the germinal period?

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Question 12

Jill is 3 years old. She is hyperactive and learning- disabled. Her doctor suggests that Jill's problems could be the result of prenatal exposure to _____, though he stresses that the link is not straightforward at this time.

Accepted Answer

A)  chromosomal abnormalities 
B)  genetic abnormalities 
C)  cell differentiation 
D)  behavioral teratogens

Question 13

How can serious birth disorders be avoided?

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Question 14

Michael is color-blind. His gene for color blindness is most likely a:

Accepted Answer

A)  dominant gene on his X chromosome. 
B)  dominant gene on his Y chromosome. 
C)  recessive gene on his X chromosome. 
D)  recessive gene on his Y chromosome.

Question 15

What are the signs of postpartum depression?

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Question 16

The strong, loving bond that forms as parents hold and feed their newborn is known as couvade.

Accepted Answer

A) True 
 B)False

Question 17

In what ways do doulas support women before, during, and after labor?

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Question 18

The critical factor in attaining the age of viability is:

Accepted Answer

A)  weighing at least 5 pounds (2.3 kg). 
B)  having adequate brain development. 
C)  having functioning digestive and respiratory systems. 
D)  surviving at least 28 weeks past conception.

Question 19

Define genotype and phenotype and explain the impact of both on an individual's traits.

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Question 20

List at least four reasons why a baby might be born LBW.

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Exam 2: From Conception to Birth