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There are two divisions during meiosis, what phases occur during each division? A. prophase, crossing over, metaphase, and cytokinesis B. prophase, anaphase, telophase, and cytokinesis C. prophase, anaphase, metaphase, and telophase D. anaphase, metaphase, telophase, and crossing over

There are two divisions during meiosis, what phases occur during each division? A. prophase, crossing over, metaphase, and cytokinesis B. prophase, anaphase, telophase, and cytokinesis C. prophase, anaphase, metaphase, and telophase D. anaphase, metaphase, telophase, and crossing over

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Educational Content on Meiosis Phases **Question:** There are two divisions during meiosis, what phases occur during each division? **Options:** A. Prophase, crossing over, metaphase, and cytokinesis B. Prophase, anaphase, telophase, and cytokinesis C. Prophase, anaphase, metaphase, and telophase D. Anaphase, metaphase, telophase, and crossing over ### Explanation: Meiosis is a specialized form of cell division that reduces the chromosome number by half, resulting in the production of four genetically diverse haploid cells. It consists of two successive divisions: Meiosis I and Meiosis II. - **Meiosis I:** Known as the reductional division, this stage reduces the chromosome number by half. Key phases include: - **Prophase I:** Chromosomes condense, and crossing over (exchange of genetic material between homologous chromosomes) occurs. - **Metaphase I:** Homologous chromosomes line up along the metaphase plate. - **Anaphase I:** Homologous chromosomes are pulled to opposite poles. - **Telophase I and Cytokinesis:** The cell divides into two. - **Meiosis II:** Similar to mitosis, this division separates the sister chromatids. Key phases include: - **Prophase II:** Chromosomes condense again if they had uncoiled. - **Metaphase II:** Chromosomes line up along the metaphase plate. - **Anaphase II:** Sister chromatids are pulled apart. - **Telophase II and Cytokinesis:** The cell divides, resulting in four haploid cells. **Note:** The correct sequence of phases within each meiosis division can be understood by analyzing the context and order of processes. Each phase has distinct activities that contribute to genetic diversity and chromosome reduction.
Transcribed Image Text:### Educational Content on Meiosis Phases **Question:** There are two divisions during meiosis, what phases occur during each division? **Options:** A. Prophase, crossing over, metaphase, and cytokinesis B. Prophase, anaphase, telophase, and cytokinesis C. Prophase, anaphase, metaphase, and telophase D. Anaphase, metaphase, telophase, and crossing over ### Explanation: Meiosis is a specialized form of cell division that reduces the chromosome number by half, resulting in the production of four genetically diverse haploid cells. It consists of two successive divisions: Meiosis I and Meiosis II. - **Meiosis I:** Known as the reductional division, this stage reduces the chromosome number by half. Key phases include: - **Prophase I:** Chromosomes condense, and crossing over (exchange of genetic material between homologous chromosomes) occurs. - **Metaphase I:** Homologous chromosomes line up along the metaphase plate. - **Anaphase I:** Homologous chromosomes are pulled to opposite poles. - **Telophase I and Cytokinesis:** The cell divides into two. - **Meiosis II:** Similar to mitosis, this division separates the sister chromatids. Key phases include: - **Prophase II:** Chromosomes condense again if they had uncoiled. - **Metaphase II:** Chromosomes line up along the metaphase plate. - **Anaphase II:** Sister chromatids are pulled apart. - **Telophase II and Cytokinesis:** The cell divides, resulting in four haploid cells. **Note:** The correct sequence of phases within each meiosis division can be understood by analyzing the context and order of processes. Each phase has distinct activities that contribute to genetic diversity and chromosome reduction.
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