Stages of Meiosis Quiz
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Questions and Answers

What happens during prophase I?

  • The chromosomes condense and the nuclear envelope breaks down. (correct)
  • Homologous chromosomes move to opposite poles of the cell.
  • A new spindle forms around the chromosomes.
  • Pairs of homologous chromosomes move to the equator of the cell.

    • What happens during metaphase I?

    Pairs of homologous chromosomes move to the equator of the cell.

    Describe anaphase I.

    Homologous chromosomes move to opposite poles of the cell.

    What occurs in telophase I and cytokinesis?

    <p>Chromosomes gather at the poles of the cells and the cytoplasm divides.</p> Signup and view all the answers

    What happens during prophase II?

    <p>A new spindle forms around the chromosomes.</p> Signup and view all the answers

    What occurs in metaphase II?

    <p>Chromosomes line up at the equator.</p> Signup and view all the answers

    Describe anaphase II.

    <p>Centromeres divide and chromatids move to opposite poles of the cell.</p> Signup and view all the answers

    What happens during telophase II and cytokinesis?

    <p>A nuclear envelope forms around each set of chromosomes and the cytoplasm divides.</p> Signup and view all the answers

    Study Notes

    Stages of Meiosis

    • Prophase I: Chromosomes condense, nuclear envelope disintegrates; crossing-over occurs, allowing genetic recombination between homologous chromosomes.

    • Metaphase I: Homologous chromosome pairs align at the cell's equatorial plane, preparing for separation.

    • Anaphase I: Homologous chromosomes are pulled apart to opposite poles of the cell, reducing the chromosome number by half.

    • Telophase I and Cytokinesis: Chromosomes reach the poles of the cell, and the cytoplasm divides, resulting in two haploid cells with replicated chromosomes.

    • Prophase II: A new spindle apparatus forms around the chromosomes in the two haploid cells, readying them for the second meiotic division.

    • Metaphase II: Chromosomes, consisting of sister chromatids, align at the equator of each haploid cell, similar to metaphase in mitosis.

    • Anaphase II: Centromeres split, allowing sister chromatids to move to opposite poles of the cell, ensuring each new cell will receive identical genetic material.

    • Telophase II and Cytokinesis: Nuclear envelopes reform around each set of chromosomes; the cytoplasm divides, resulting in four genetically diverse haploid daughter cells.

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    Description

    Test your knowledge on the stages of meiosis with this quiz! Each question will cover key events and processes from Prophase I through to Cytokinesis. Understand how meiosis contributes to genetic diversity and reduces chromosome number in gametes.

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