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CH4-2 - Chapter 4 part II Thur 15-Sep EXAM 1 Chapters 2,3,4...

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How many cell divisions are there in Meiosis? 1. One 2. Two 3. Three 4. Four 5. none Chapter 4 part II Thur, 15-Sep EXAM 1, Chapters 2,3,4
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Chromosome duplication occurs… 1. Prior to Meiosis I 2. During Meiosis I 3. During Meiosis II 4. After Meiosis II
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Meiosis Chromosomes replicate once prior to Meiosis Rounds of cell division = 2
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How is Meiosis different from Mitosis?
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Meiosis Meiosis I Prophase I Leptotene Zygotene Pachytene Diplotene Diakinesis Metaphase I Anaphase I Telophase I Interkinesis Meiosis II Prophase II Metaphase II Anaphase II Telophase II Cytokinesis
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Genetic recombination or “crossing over” occurs during Prophase I
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Which chromosome arms could undergo recombination? 1 2 4 3 1. 1 2. 2 3. 3 4. 4 5. 1 and 4 6. 2 and 3 7. All are possible
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Meiosis I – Prophase I
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Meiosis I – Prophase I continued
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Meiosis I – Metaphase I and Anaphase I
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Meiosis I – Telophase I and Interkinesis
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Meiosis II (similar to Mitosis) Prophase II and Metaphase II
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Meiosis II – Anaphase II and Telophase II
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Meiosis II - Cytokenesis
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