Question 1

At which stage of mitosis do the chromsomes look like the letter "V"?

Accepted Answer

A)   prophase
B)   metaphase
C)   anaphase
D)   telophase
E)   cytokinesisF) A) and B)
G) D) and E)

Question 2

Which cell could you not use to produce a karyotype?

Accepted Answer

A)   white blood cells
B)   red blood cells
C)   epithelial cells
D)   smooth muscle cells
E)   skeletal muscle cellsF) B) and D)
G) A) and B)

Question 3

In what stage of meiosis does synapsis occur?

Accepted Answer

A)   prophase I
B)   prophase II
C)   metaphase I
D)   metaphase II
E)   anaphase IF) None of the above
G) A) and B)

Question 4

What is the genetic makeup of an individual who has inherited Jacobs syndrome?

Accepted Answer

A)   XYY
B)   XXX
C)   XXY
D)   XO
E)   none of theseF) D) and E)
G) B) and E)

Question 5

How many cells are produced as the result of meiosis and mitosis?

Accepted Answer

A)   4, 2
B)   2, 2
C)   2, 4
D)   4, 4
E)   it varies each time the cells go through meiosis and mitosisF) D) and E)
G) A) and E)

Question 6

In a karyotype, the chromosomes are arranged in order from

Accepted Answer

A)   largest to smallest, with the sex chromosomes at the end.
B)   smallest to largest, with the sex chromosomes at the end.
C)   largest to smallest, including the sex chromosomes.
D)   smallest to largest, including the sex chromosomes.
E)   sex chromosomes first and then smallest to the largest.F) B) and C)
G) B) and E)

Question 7

Which of the following is part of the mitotic spindle?

Accepted Answer

A)   sister chromatid
B)   nucleolus
C)   nuclear membrane
D)   aster
E)   centromereF) D) and E)
G) A) and D) D

Question 8

List the stages of interphase and the events that occur during each of these stages.

Accepted Answer

G1 stage: The cell grows and returns to ...

Question 9

Which of the following is associated with mental retardation in Down syndrome?

Accepted Answer

A)   elevated levels of purines in the blood
B)   increased tendency toward leukemia
C)   increased tendency toward cataracts
D)   accelerated rate of aging
E)   thickening of the muscles of the tongueF) B) and C)
G) B) and D)

Question 10

If nondisjunction occurs during meiosis I, how many of the final 4 products will be abnormal?

Accepted Answer

A)   1
B)   2
C)   4
D)   3
E)   noneF) D) and E)
G) A) and D)

Question 11

In a karyotype it can be seen that a homologous pair of chromosomes will contain how many chromatids?

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   sixF) C) and D)
G) A) and B)

Question 12

In a karyotype, each chromosome contains two sister chromatids.

Accepted Answer

A) True 
 B)False

Question 13

Trisomy of which pair of chromosomes has the greatest chance of survival?

Accepted Answer

A)   XX
B)   pair 13
C)   pair 8
D)   pair 3
E)   pair 15F) D) and E)
G) A) and E)

Question 14

In both spermatogenesis and oogenesis, one sperm/egg forms from one primary spermatocyte/oocyte.

Accepted Answer

A) True 
 B)False

Question 15

Cytokinesis is the division of the ___________.

Accepted Answer

A)   cytoplasm
B)   nucleus
C)   chromosomes
D)   chromatin
E)   zygoteF) A) and B)
G) A) and C)

Question 16

The amount of time the cell takes for interphase is approximately 1 hour, plus or minus about 5 minutes.

Accepted Answer

A) True 
 B)False

Question 17

What is the structure that holds the chromatids together?

Accepted Answer

A)   centromere
B)   chromatin
C)   chromosomes
D)   karyotype
E)   none of theseF) A) and E)
G) C) and D)

Question 18

If the parent cell has 24 chromosomes, and each of the daughter cells has 24 chromosomes, then the cell has undergone

Accepted Answer

A)   mitosis.
B)   meiosis I.
C)   meiosis II.
D)   G1
E)   none of theseF) None of the above
G) B) and E) A

Question 19

In what way is spermatogenesis similar to oogenesis?

Accepted Answer

A)   Both occur continuously from puberty on.
B)   Both result in 4 daughter cells.
C)   Both result in cells with half the chromosome number.
D)   Both are arrested in prophase I.
E)   Both result in 1 or 2 polar bodies.F) A) and E)
G) B) and D) C

Question 20

What structure is not divided during cytokinesis?

Accepted Answer

A)   chromosomes
B)   cell membrane
C)   cell wall
D)   cytoplasm
E)   endoplasmic reticulumF) D) and E)
G) B) and C)

Exam 18: Patterns of Chromosome Inheritance

At which stage of mitosis do the chromsomes look like the letter "V"?

Correct AnswerverifiedShow Answer

Which cell could you not use to produce a karyotype?

Correct AnswerverifiedShow Answer

In what stage of meiosis does synapsis occur?

Correct AnswerverifiedShow Answer

What is the genetic makeup of an individual who has inherited Jacobs syndrome?

Correct AnswerverifiedShow Answer

How many cells are produced as the result of meiosis and mitosis?

Correct AnswerverifiedShow Answer

In a karyotype, the chromosomes are arranged in order from

Correct AnswerverifiedShow Answer

Which of the following is part of the mitotic spindle?

Correct AnswerverifiedD

List the stages of interphase and the events that occur during each of these stages.

Correct AnswerverifiedG1 stage: The cell grows and returns to ...View AnswerShow Answer

Which of the following is associated with mental retardation in Down syndrome?

Correct AnswerverifiedShow Answer

If nondisjunction occurs during meiosis I, how many of the final 4 products will be abnormal?

Correct AnswerverifiedShow Answer

In a karyotype it can be seen that a homologous pair of chromosomes will contain how many chromatids?

Correct AnswerverifiedShow Answer

In a karyotype, each chromosome contains two sister chromatids.

Correct AnswerverifiedShow Answer

Trisomy of which pair of chromosomes has the greatest chance of survival?

Correct AnswerverifiedShow Answer

In both spermatogenesis and oogenesis, one sperm/egg forms from one primary spermatocyte/oocyte.

Correct AnswerverifiedShow Answer

Cytokinesis is the division of the ___________.

Correct AnswerverifiedShow Answer

The amount of time the cell takes for interphase is approximately 1 hour, plus or minus about 5 minutes.

Correct AnswerverifiedShow Answer

What is the structure that holds the chromatids together?

Correct AnswerverifiedShow Answer

If the parent cell has 24 chromosomes, and each of the daughter cells has 24 chromosomes, then the cell has undergone

Correct AnswerverifiedA

In what way is spermatogenesis similar to oogenesis?

Correct AnswerverifiedC

What structure is not divided during cytokinesis?

Correct AnswerverifiedShow Answer

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D

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G1 stage: The cell grows and returns to ...
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A

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C

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