Question 1

During prophase I, a diploid organism contains how many copies of each gene?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   8F) B) and E)
G) All of the above

Question 2

Camels have a diploid chromosome number of 70. At prophase II, each cell would contain how many chromatids?

Accepted Answer

A)   0
B)   35
C)   70
D)   140
E)   280F) C) and D)
G) A) and B)

Question 3

The human life cycle consists of

Accepted Answer

A)   adults who are haploid and produce diploid gametes, these gametes fuse to produce a haploid zygote which grows into an adult.
B)   zygotes who are haploid fuse to produce a diploid gamete which grows into an adult.
C)   gametes that are diploid and produce haploid zygotes, these grow into haploid adults.
D)   adults who are diploid and produce haploid gametes, these gametes fuse to produce a diploid zygote which grows into an adult.
E)   adults that are diploid who produce zygotes that are also diploid.F) None of the above
G) A) and E)

Question 4

For the figure shown here, indicate the correct stage of meiosis and diploid chromosome number.

Accepted Answer

A)   anaphase I, 2n=16
B)   anaphase II, 2n=16
C)   anaphase I, 2n=8
D)   anaphase II, 2n=8
E)   anaphase II, 2n=4F) B) and D)
G) C) and D)

Question 5

A dyad consists of

Accepted Answer

A)   two homologous chromosomes consisting of two sister chromatids.
B)   two homologous chromosomes consisting of two nonsister chromatids.
C)   one duplicated chromosome consisting of two nonsister chromatids.
D)   one duplicated chromosome consisting of two sister chromatids.
E)   two homologous chromosomes consisting of a single DNA strand each.F) B) and C)
G) B) and E)

Question 6

Which of the following statements is correct?

Accepted Answer

A)   Meiosis involves 2 divisions and produces 4 non-identical daughter nuclei.
B)   Meiosis involves 1 division and produces 2 non-identical daughter nuclei.
C)   Mitosis involves 1 division and produces 2 non-identical daughter nuclei.
D)   Mitosis involves 2 divisions and produces 4 identical daughter nuclei.
E)   Meiosis involves 2 divisions and produces 4 identical daughter nuclei.F) D) and E)
G) B) and D)

Question 7

Interphase differs from interkinesis because

Accepted Answer

A)   DNA is duplicated during interphase, but not during interkinesis.
B)   DNA is duplicated during interkinesis, but not during interphase.
C)   homologous chromosomes separate during interkinesis, but not during interphase.
D)   homologous chromosomes separate during interphase, but not during interkinesis.
E)   interkinesis only occurs during mitosis, while interphase occurs during both meiosis and mitosis.F) A) and E)
G) C) and E)

Question 8

Figure: 
-Which of the diagrams best illustrates the appearance of a chromosome pair in a cell at the end of prophase I?

Accepted Answer

A)   diagram 1
B)   diagram 2
C)   diagram 3
D)   diagram 4
E)   diagram 5F) All of the above
G) A) and B)

Question 9

In each gamete following telophase II, how many copies of each gene is/are present?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   8F) A) and B)
G) C) and D)

Question 10

Which of the following is a correct match?

Accepted Answer

A)   separation of tetrads - anaphase II
B)   synapsis - metaphase I
C)   separation of sister chromatids - anaphase I
D)   synapsis - prophase II
E)   separation of sister chromatids - anaphase IIF) A) and B)
G) A) and C)

Question 11

During meiosis II,

Accepted Answer

A)   homologous chromosomes line up separately, with sister chromatids facing the same spindle pole.
B)   chromosomes line up separately, with sister chromatids facing opposite spindle poles.
C)   chromosomes line up separately, with sister chromatids facing the same spindle pole.
D)   homologous chromosomes line up separately, with sister chromatids facing opposite spindle poles.
E)   homologous chromosomes line up together, with sister chromatids facing opposite spindle poles.F) A) and B)
G) All of the above

Question 12

How does nondisjunction during meiosis I differ from nondisjunction in meiosis II?

Accepted Answer

A)   Half of the gametes from nondisjunction during meiosis I will have normal chromosome number.
B)   Half of the gametes from nondisjunction during meiosis II will have normal chromosome number.
C)   Gametes from nondisjunction during meiosis I will have an extra chromosome, while gametes from nondisjunction during meiosis II will have a missing chromosome.
D)   Gametes from nondisjunction during meiosis II will have an extra chromosome, while gametes from nondisjunction during meiosis I will have a missing chromosome.
E)   Nondisjunction during meiosis I results in only two gametes, while nondisjunction during meiosis II gives four gametes, half of which have extra or missing chromosomes.F) B) and E)
G) C) and E)

Exam 9: Sexual Reproduction

Interphase differs from interkinesis because

Correct Answer
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A dyad consists of

Correct Answer
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Which of the following statements is correct?

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During prophase I, a diploid organism contains how many copies of each gene?

Correct Answer
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During meiosis II,

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How does nondisjunction during meiosis I differ from nondisjunction in meiosis II?

Correct Answer
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Which of the following is a correct match?

Correct Answer
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The human life cycle consists of

Correct Answer
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Camels have a diploid chromosome number of 70. At prophase II, each cell would contain how many chromatids?

Correct Answer
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In each gamete following telophase II, how many copies of each gene is/are present?

Correct Answer
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For the figure shown here, indicate the correct stage of meiosis and diploid chromosome number.

Correct Answer
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Figure: -Which of the diagrams best illustrates the appearance of a chromosome pair in a cell at the end of prophase I?

Correct Answer
verified

Exam 9: Sexual Reproduction

Interphase differs from interkinesis because

Correct AnswerverifiedShow Answer

A dyad consists of

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Which of the following statements is correct?

Correct AnswerverifiedShow Answer

During prophase I, a diploid organism contains how many copies of each gene?

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During meiosis II,

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How does nondisjunction during meiosis I differ from nondisjunction in meiosis II?

Correct AnswerverifiedShow Answer

Which of the following is a correct match?

Correct AnswerverifiedShow Answer

The human life cycle consists of

Correct AnswerverifiedShow Answer

Camels have a diploid chromosome number of 70. At prophase II, each cell would contain how many chromatids?

Correct AnswerverifiedShow Answer

In each gamete following telophase II, how many copies of each gene is/are present?

Correct AnswerverifiedShow Answer

For the figure shown here, indicate the correct stage of meiosis and diploid chromosome number.

Correct AnswerverifiedShow Answer

Figure: -Which of the diagrams best illustrates the appearance of a chromosome pair in a cell at the end of prophase I?

Correct AnswerverifiedShow Answer

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