Question 1

Compare mitosis and meiosis. Which statement is accurate?

Accepted Answer

A)  Both processes are forms of asexual reproduction.
B)  Both processes result in four cells.
C)  Crossing over occurs in both.
D)  Chromatids are present only in mitosis.
E)  Meiosis II resembles mitosis.

Question 2

Which cell is diploid?

Accepted Answer

A)  zygote
B)  germ cell
C)  egg
D)  sperm
E)  gamete

Question 3

Sister chromatids are separated during ____ of meiosis.

Accepted Answer

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

Question 4

Match the following stages with the corresponding chromosome number in human cells.
-daughter cell after meiosis I

Accepted Answer

A)  23, haploid
B)  23, diploid
C)  46, haploid
D)  46, diploid

Question 5

During meiosis II, ____.

Accepted Answer

A)  cytokinesis results in the formation of a total of two cells
B)  sister chromatids separate
C)  homologous chromosomes pair up
D)  homologous chromosomes separate
E)  sister chromatids exchange parts

Question 6

-Identify the locations in the accompanying figure where eggs (ova)  are produced.

Accepted Answer

A)  A and D
B)  B and C
C)  A and B
D)  B and D
E)  B and E

Question 7

​Alleles of a gene ____.

Accepted Answer

A)  ​are located at different positions on homologous chromosomes
B)  ​are located at different positions on sister chromatids
C)  ​encode identical versions of the gene's product
D)  ​have slightly different DNA sequences
E)  ​are found on different chromosomes

Question 8

Which process is a nuclear division mechanism that halves the chromosome number and is a necessary part of gamete formation and sexual reproduction?

Accepted Answer

A)  prokaryotic fission
B)  mitosis
C)  meiosis
D)  cytokinesis
E)  S phase

Question 9

Use the accompanying figure to match the cells in the figure to the correct phase in meiosis. The top figure panel is phases of meiosis I; the bottom panel is phases of meiosis II.
-metaphase I?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) FG) GH) H

Question 10

Copies of chromosomes linked together at their centromeres at the beginning of meiosis are called ____ chromatids.

Accepted Answer

A)  mother
B)  daughter
C)  sister
D)  homologous
E)  duplicated

Question 11

A child more strongly resembles the maternal grandmother than the maternal grandfather. One explanation could be due to random chromosome alignment during which stage of the mother's gamete formation?

Accepted Answer

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

Question 12

Dogs have a diploid chromosome number of 78. How many chromosomes do their gametes have?

Accepted Answer

A)  26
B)  39
C)  78
D)  156
E)  234

Question 13

Use the accompanying figure to match the cells in the figure to the correct phase in meiosis. The top figure panel is phases of meiosis I; the bottom panel is phases of meiosis II.
-telophase II

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) FG) GH) H

Question 14

Meiosis is necessary for _____.

Accepted Answer

A)  asexual reproduction of single-celled eukaryotes
B)  growth in multicelled species
C)  sexual reproduction
D)  asexual reproduction of single-celled eukaryotes.
E)  cellular repair in multicelled species

Question 15

Match each term with the correct description.
-metaphase I

Accepted Answer

A)  DNA duplication occurs in this phase.
B)  Homologous chromosomes condense, pair up, and swap segments.
C)  Homologous chromosome pairs align on the equator.
D)  Sister chromatids separate and move to opposite poles.
E)  A nuclear envelope forms around each set of chromosomes to produce four haploid (n)  nuclei.F) Homologous chromosomes separate and move to opposite poles.G) As in mitosis, duplicated chromosomes align on the equator.H) Two nuclei formed; each has a complete set of chromosomes.I) Spindle formation in two cells.

Question 16

Meiosis typically results in the production of ____ cell(s) .

Accepted Answer

A)  one diploid
B)  four diploid
C)  four haploid
D)  two haploid
E)  one triploid

Question 17

Imagine that allele "A" of a gene is present on the maternal chromosome and allele "a" is present on the paternal chromosome following crossing over during prophase I. When do the alleles "A" and "a" separate into daughter cells? Does this occur after meiosis I or meiosis II, and why?

Accepted Answer

Homologous chromosomes are sep...

Question 18

Match each term with the correct description.
-anaphase II

Accepted Answer

A)  DNA duplication occurs in this phase.
B)  Homologous chromosomes condense, pair up, and swap segments.
C)  Homologous chromosome pairs align on the equator.
D)  Sister chromatids separate and move to opposite poles.
E)  A nuclear envelope forms around each set of chromosomes to produce four haploid (n)  nuclei.F) Homologous chromosomes separate and move to opposite poles.G) As in mitosis, duplicated chromosomes align on the equator.H) Two nuclei formed; each has a complete set of chromosomes.I) Spindle formation in two cells.

Question 19

Why is meiosis necessary for sexual reproduction?

Accepted Answer

If the chromosome number were not reduce...

Question 20

Match each term with the correct description.
-telophase I

Accepted Answer

A)  DNA duplication occurs in this phase.
B)  Homologous chromosomes condense, pair up, and swap segments.
C)  Homologous chromosome pairs align on the equator.
D)  Sister chromatids separate and move to opposite poles.
E)  A nuclear envelope forms around each set of chromosomes to produce four haploid (n)  nuclei.F) Homologous chromosomes separate and move to opposite poles.G) As in mitosis, duplicated chromosomes align on the equator.H) Two nuclei formed; each has a complete set of chromosomes.I) Spindle formation in two cells.

Exam 12: Meiosis and Sexual Reproduction

​Alleles of a gene ____.

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Match each term with the correct description. -metaphase I

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Copies of chromosomes linked together at their centromeres at the beginning of meiosis are called ____ chromatids.

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Use the accompanying figure to match the cells in the figure to the correct phase in meiosis. The top figure panel is phases of meiosis I; the bottom panel is phases of meiosis II. -telophase II

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Sister chromatids are separated during ____ of meiosis.

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Use the accompanying figure to match the cells in the figure to the correct phase in meiosis. The top figure panel is phases of meiosis I; the bottom panel is phases of meiosis II. -metaphase I?

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Which cell is diploid?

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Which process is a nuclear division mechanism that halves the chromosome number and is a necessary part of gamete formation and sexual reproduction?

Correct AnswerverifiedShow Answer

-Identify the locations in the accompanying figure where eggs (ova) are produced.

Correct AnswerverifiedShow Answer

Compare mitosis and meiosis. Which statement is accurate?

Correct AnswerverifiedShow Answer

Match the following stages with the corresponding chromosome number in human cells. -daughter cell after meiosis I

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Why is meiosis necessary for sexual reproduction?

Correct AnswerverifiedIf the chromosome number were not reduce...View AnswerShow Answer

Meiosis typically results in the production of ____ cell(s) .

Correct AnswerverifiedShow Answer

A child more strongly resembles the maternal grandmother than the maternal grandfather. One explanation could be due to random chromosome alignment during which stage of the mother's gamete formation?

Correct AnswerverifiedShow Answer

Meiosis is necessary for _____.

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Match each term with the correct description. -anaphase II

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Dogs have a diploid chromosome number of 78. How many chromosomes do their gametes have?

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Imagine that allele "A" of a gene is present on the maternal chromosome and allele "a" is present on the paternal chromosome following crossing over during prophase I. When do the alleles "A" and "a" separate into daughter cells? Does this occur after meiosis I or meiosis II, and why?

Correct AnswerverifiedHomologous chromosomes are sep...View AnswerShow Answer

Match each term with the correct description. -telophase I

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During meiosis II, ____.

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Alleles of a gene ____.

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If the chromosome number were not reduce...
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Homologous chromosomes are sep...
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