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CHAPTER 6
CLASS:
Chapter 6 Quiz
BLM 2-38
Goal • Check your understanding of Chapter 6.
What to Do
Circle the letter of the best answer.
1. Which of the following is the correct order in sexual reproduction?
A. meiosis, gamete, fertilization, embryo
B. gamete, meiosis, fertilization, embryo
C. fertilization, meiosis, gamete, embryo
D. gamete, fertilization, meiosis, embryo
2. Mitosis is similar to meiosis II because
A. in both processes, the number of chromosomes is doubled
B. in both processes, identical daughter cells are produced
C. in both processes, sister chromatids separate and move to opposite poles
D. in both processes, homologous chromosomes separate and move to opposite poles
3. Which of the following events occurs in mitosis only?
A. produces genetically different cells
B. produces haploid cells
C. cells divide two times
D. produces genetically identical cells
4. Gamete formation in males is different than in females because
A. in males, meiosis begins before birth and stops until puberty
B. in males, meiosis II occurs before meiosis I
C. in males, there is equal distribution of cytoplasm into four cells
D. in males, there is unequal distribution of cytoplasm into four cells
5. The difference between gene mutations and chromosomal mutations is that
A. a single gene mutation can affect many genes in the chromosomes
B. gene mutations are the result of mutagens such as radiation
C. chromosomal mutations affect the sequence of the bases
D. chromosomal mutations can affect many genes in the chromosomes
6. A mutation that would be inherited must occur in a
A. skin cell
B. egg cell
C. muscle cell
D. cancer cell
7. Cow body cells have 60 chromosomes. How many chromosomes will be in a sperm
cell
following meiosis II?
A. 30
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BLM 2-38
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B. 60
C. 120
D. 15
8. In the gastrula, cells in the mesoderm layer will become
A. kidneys
B. skin
C. lungs
D. liver
9. What is the main advantage of sexual reproduction?
A. Very little energy is required to find a mate.
B. Fewer offspring are produced.
C. The embryo is protected from dehydration.
D. The offspring are genetically different from the parents.
10. The procedure when a single sperm is injected into an egg cell is known as
A GIFT
B. ICSI
C. AI
D. IVF
Match each Term on the left with the best Descriptor on the right. Each Descriptor may
be used only once.
Term
Descriptor
___ 11. prophase I
A. the chromosomes form a single line at the
equator
___ 12. telophase II
B. sister chromatids move to opposite poles of
the
___ 13. anaphase I
cell
___ 14. metaphase II
C. there is one chromosome of the homologous
pair in each cell
___ 15. anaphase II
D. homologous chromosomes pair up and nonsister chromatids exchange genetic material
___ 16. prophase II
E. a nuclear membrane forms around each set
of
chromosomes
F. independent assortment of chromosome
pairs occurs
G. DNA replicates
17. Explain how the events of sexual reproduction produce variation in a species.
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Copyright © 2007, McGraw-Hill Ryerson Limited, a subsidiary of the McGraw-Hill Companies. All rights reserved.
This page may be reproduced for classroom use by the purchaser of this book without the written permission of the publisher.
DATE:
NAME:
CLASS:
BLM 2-38
continued
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18. Explain how sexual reproduction by internal fertilization provides advantages over
external
fertilization.
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19. What are three advantages of assisted reproductive technologies?
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Copyright © 2007, McGraw-Hill Ryerson Limited, a subsidiary of the McGraw-Hill Companies. All rights reserved.
This page may be reproduced for classroom use by the purchaser of this book without the written permission of the publisher.