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Date ____________
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Content Mastery
CHAPTER
12
MENDEL AND MEIOSIS
Section 12.2 Meiosis
Study the Diagram
Prophase I
Metaphase I
Anaphase I
Telophase I
Meiosis II
Meiosis I
Interphase
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Prophase II
Metaphase II
Anaphase II
Telophase II
Use the diagram to answer the questions.
1. Meiosis I begins with one cell. By the end of Meiosis II how many cells are formed?
four
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2. Name a physical process that occurs more than once during meiosis. Answers will vary. _______
Possible answers are: the spindle forms twice, the cell divides more than once,
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chromatids separate.
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3. Cell division by meiosis is a way to produce gametes that have only half the number of
chromosomes of the parent cell. Why is this important? _________________________________
If the number of chromosomes were not reduced the offspring would have
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twice the number of chromosomes as the parents.
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BIOLOGY: The Dynamics of Life CHAPTER 12
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