Question 1

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, eight 
A)  one, two 
B)  one, four 
C)  two, two 
D)  two, four 
E)  two, eight

Question 2

Which stage comes directly after interphase?

Accepted Answer

A)  mitosis 
B)  cytokinesis 
C)  G1 
D)  S 
E)  G2 
A)  mitosis 
B)  cytokinesis 
C)  G1 
D)  S 
E)  G2

Question 3

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. 
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.

Question 4

Which of the following is not a stage of mitosis?

Accepted Answer

A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase 
E)  telophase 
A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase 
E)  telophase

Question 5

Which division of meiosis is like mitosis?

Accepted Answer

A)  meiosis I 
B)  meiosis II 
C)  G1 
D)  S 
E)  G2 
A)  meiosis I 
B)  meiosis II 
C)  G1 
D)  S 
E)  G2

Question 6

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

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)  chromatids 
A)  chromatin 
B)  nucleus 
C)  karyotype 
D)  centromere 
E)  chromatids

Question 8

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

Question 9

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, two 
A)  one, three 
B)  two, two 
C)  three, one 
D)  two, one 
E)  one, two

Question 10

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

Question 11

Which of the following is not a stage of interphase?

Accepted Answer

A)  cytokinesis 
B)  G1 
C)  G2 
D)  S 
A)  cytokinesis 
B)  G1 
C)  G2 
D)  S

Question 12

When do the centromeres divide in meiosis?

Accepted Answer

A)  prophase I 
B)  prophase II 
C)  anaphase I 
D)  anaphase II 
E)  telophase I 
A)  prophase I 
B)  prophase II 
C)  anaphase I 
D)  anaphase II 
E)  telophase I

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)  cytokinesis 
A)  prophase 
B)  metaphase 
C)  anaphase 
D)  telophase 
E)  cytokinesis

Question 14

The products of meiosis I in spermatogenesis are

Accepted Answer

A)  primary spermatocytes. 
B)  secondary spermatocytes. 
C)  spermatids. 
D)  spermatazoa. 
E)  two identical cells. 
A)  primary spermatocytes. 
B)  secondary spermatocytes. 
C)  spermatids. 
D)  spermatazoa. 
E)  two identical cells.

Question 15

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. 
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.

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

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. 
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.

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)  cytokinesis 
A)  prophase 
B)  metaphase 
C)  anaphase 
D)  telophase 
E)  cytokinesis

Question 19

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 tongue 
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 tongue

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 19: Patterns of Chromosome Inheritance

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

Which stage comes directly after interphase?

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

Which of the following is not a stage of mitosis?

Which division of meiosis is like mitosis?

How are mitosis and cytokinesis alike?

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

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

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?

Which cells cannot be used to produce a karyotype?

Which of the following is not a stage of interphase?

When do the centromeres divide in meiosis?

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

The products of meiosis I in spermatogenesis are

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

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

How are G1 and G2 different?

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

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

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

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