Question 1

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 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 E)
G) None of the above

Question 3

Which of the following is not a stage of interphase?

Accepted Answer

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

Question 4

Which stage comes directly after interphase?

Accepted Answer

A)   mitosis
B)   cytokinesis
C)   G1
D)   S
E)   G2F) A) and D)
G) A) and C)

Question 5

How long does it take to proceed from prophase I to metaphase I in oogenesis?

Accepted Answer

A)   One follows directly after the other.
B)   There is usually a pause of about 1 hour.
C)   It varies, but on the order of years.
D)   There is a pause for a day.
E)   There is a pause for about a month.F) A) and C)
G) All of the above

Question 6

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 7

DNA is found in association with proteins within the cell. What is the term for this DNA-protein complex?

Accepted Answer

A)   chromatin
B)   nucleus
C)   karyotype
D)   centromere
E)   chromatidsF) C) and D)
G) None of the above

Question 8

Suppose that nondisjunction occurs during meiosis II in oogenesis, and each of the resulting four cells is fertilized with a normal sperm imagine four functional egg cells result from oogenesis) . How many cells are normal and how many have a chromosomal trisomy?

Accepted Answer

A)   one, three
B)   two, two
C)   three, one
D)   two, one
E)   one, twoF) B) and D)
G) A) and C)

Question 9

How are mitosis and cytokinesis alike?

Accepted Answer

A)   Both involve the nucleus.
B)   Both involve mitochondria.
C)   Both involve division.
D)   Both involve apoptosis.
E)   Both involve DNA synthesis.F) A) and D)
G) D) and E)

Question 10

In meiosis how many divisions occur and how many daughter cells are created?

Accepted Answer

A)   one, two
B)   one, four
C)   two, two
D)   two, four
E)   two, eightF) A) and B)
G) B) and C)

Question 11

How are G1 and G2 different?

Accepted Answer

A)   The cell copies its DNA during G1 but not G2.
B)   The cell does not grow during G1 but doubles its organelles in G2.
C)   In G1, the cell prepares to synthesize its DNA and in G2, it synthesizes the proteins needed for cell division.
D)   The cell spends much more time in G2 than in G1.
E)   Mitosis occurs during G1 but not during G2.F) B) and D)
G) A) and C)

Question 12

The products of meiosis I in spermatogenesis are

Accepted Answer

A)   primary spermatocytes.
B)   secondary spermatocytes.
C)   spermatids.
D)   spermatazoa.
E)   two identical cells.F) All of the above
G) B) and D)

Question 13

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

Question 14

Which cells cannot be used 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) C) and D)
G) B) and C)

Question 15

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) A) and E)

Question 16

Which of the following is not a stage of mitosis?

Accepted Answer

A)   interphase
B)   prophase
C)   metaphase
D)   anaphase
E)   telophaseF) C) and D)
G) B) and E)

Question 17

Which division of meiosis is like mitosis?

Accepted Answer

A)   meiosis I
B)   meiosis II
C)   G1
D)   S
E)   G2F) B) and E)
G) C) and D)

Question 18

At which stage of mitosis do you first see the chromosomes appearing?

Accepted Answer

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

Question 19

Which of the following syndromes has a karyotype with a missing X chromosome?

Accepted Answer

A)   Turner syndrome
B)   Klinefelter syndrome
C)   Jacobs syndrome
D)   Down syndrome
E)   Williams syndromeF) A) and B)
G) C) and E)

Question 20

When do the centromeres divide in meiosis?

Accepted Answer

A)   prophase I
B)   prophase II
C)   anaphase I
D)   anaphase II
E)   telophase IF) A) and E)
G) D) and E)

Exam 19: Patterns of Chromosome Inheritance

How are G1 and G2 different?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not a stage of mitosis?

Correct AnswerverifiedShow Answer

At which stage of mitosis do you first see the chromosomes appearing?

Correct AnswerverifiedShow Answer

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

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

How long does it take to proceed from prophase I to metaphase I in oogenesis?

Correct AnswerverifiedShow Answer

Which of the following is not a stage of interphase?

Correct AnswerverifiedShow Answer

When do the centromeres divide in meiosis?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which cells cannot be used to produce a karyotype?

Correct AnswerverifiedShow Answer

DNA is found in association with proteins within the cell. What is the term for this DNA-protein complex?

Correct AnswerverifiedShow Answer

Which division of meiosis is like mitosis?

Correct AnswerverifiedShow Answer

In meiosis how many divisions occur and how many daughter cells are created?

Correct AnswerverifiedShow Answer

The products of meiosis I in spermatogenesis are

Correct AnswerverifiedShow Answer

Suppose that nondisjunction occurs during meiosis II in oogenesis, and each of the resulting four cells is fertilized with a normal sperm imagine four functional egg cells result from oogenesis) . How many cells are normal and how many have a chromosomal trisomy?

Correct AnswerverifiedShow Answer

Which of the following syndromes has a karyotype with a missing X chromosome?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which stage comes directly after interphase?

Correct AnswerverifiedShow Answer

How are mitosis and cytokinesis alike?

Correct AnswerverifiedShow Answer

How are G₁ and G₂ different?

Correct Answer
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