Question 1

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) None of the above
G) B) and E)

Question 2

From a karyotype,you could tell all of the following about the cell except whether

Accepted Answer

A)  a fusion of two chromosomes had occurred.
B)  a translocation had occurred between two chromosomes.
C)  one chromosome was missing.
D)  there were three copies of a chromosome present.
E)  a particular gene contained a mutation.F) B) and D)
G) A) and C)

Question 3

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) A) and E)
G) D) and E)

Question 4

What is the structure that holds the chromatids together?

Accepted Answer

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

Question 5

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 th...

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) A) and E)
G) B) and C)

Question 7

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 8

There is no mechanism to ensure the exact partitioning of the cytoplasm as there is of the DNA.

Accepted Answer

A) True 
 B)False

Question 9

When does a chromosome go from one chromatid to two sister chromatids?

Accepted Answer

A)  during G1 of interphase
B)  during S of interphase
C)  during G2 of interphase
D)  during mitosis
E)  during cytokinesisF) B) and D)
G) B) and E)

Question 10

Following mitosis,the daughter cells are identical to the parent cell.

Accepted Answer

A) True 
 B)False

Question 11

If an organism has 4 pairs of chromosomes,after meiosis it will contain how many chromosomes?

Accepted Answer

A)  2
B)  4
C)  8
D)  16
E)  32F) A) and C)
G) D) and E)

Question 12

Suppose that nondisjunction occurs during meiosis II in oogenesis,and each of the resulting 4 cells is fertilized with a normal sperm.How many cells are normal and how many have a chromosomal trisomy?

Accepted Answer

A)  1,3
B)  2,2
C)  3,1
D)  2,1
E)  1,2F) All of the above
G) A) and D)

Question 13

If the secondary oocyte is not fertilized,it does not complete meiosis II.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a stage of interphase?

Accepted Answer

A)  cytokinesis
B)  G1
C)  G2
D)  SE) B) and C)
F) A) and B)

Question 15

What structures are divided during cytokinesis?

Accepted Answer

A)  cytoplasm and organelles
B)  cytoplasm and chromosomes
C)  cell membrane and chromatin
D)  nucleus
E)  none of theseF) All of the above
G) A) and D)

Question 16

At what 2 checkpoints does the cell check for the integrity of the DNA?

Accepted Answer

A)  G1 and G2
B)  G1 and mitotic
C)  G2 and mitotic
D)  cytokinesis and G2
E)  G1 and cytokinesisF) C) and D)
G) B) and E)

Question 17

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

Accepted Answer

A)  2
B)  4
C)  0
D)  1
E)  3F) C) and E)
G) B) and D)

Question 18

Which of the following is not a symptom of Down syndrome?

Accepted Answer

A)  short stature
B)  eyelid fold
C)  flat face
D)  stubby fingers
E)  indeterminate genitaliaF) None of the above
G) All of the above

Question 19

Sexual reproduction introduces more genetic variation than does asexual reproduction.

Accepted Answer

A) True 
 B)False

Question 20

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) B) and D)
G) None of the above

Exam 19: Patterns of Chromosome Inheritance

Which of the following is not a symptom of Down syndrome?

Correct AnswerverifiedShow Answer

At what 2 checkpoints does the cell check for the integrity of the DNA?

Correct AnswerverifiedShow Answer

If the secondary oocyte is not fertilized,it does not complete meiosis II.

Correct AnswerverifiedShow Answer

There is no mechanism to ensure the exact partitioning of the cytoplasm as there is of the DNA.

Correct AnswerverifiedShow Answer

What structures are divided during cytokinesis?

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 what way is spermatogenesis similar to oogenesis?

Correct AnswerverifiedShow Answer

What is the structure that holds the chromatids together?

Correct AnswerverifiedShow Answer

Following mitosis,the daughter cells are identical to the parent cell.

Correct AnswerverifiedShow Answer

Sexual reproduction introduces more genetic variation than does asexual reproduction.

Correct AnswerverifiedShow Answer

Suppose that nondisjunction occurs during meiosis II in oogenesis,and each of the resulting 4 cells is fertilized with a normal sperm.How many cells are normal and how many have a chromosomal trisomy?

Correct AnswerverifiedShow Answer

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

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

When does a chromosome go from one chromatid to two sister chromatids?

Correct AnswerverifiedShow Answer

Which of the following is not a stage of interphase?

Correct AnswerverifiedShow Answer

Which cell could you not use to produce a karyotype?

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

If an organism has 4 pairs of chromosomes,after meiosis it will contain how many chromosomes?

Correct AnswerverifiedShow Answer

In a karyotype,the chromosomes are arranged in order from

Correct AnswerverifiedShow Answer

From a karyotype,you could tell all of the following about the cell except whether

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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