McGraw Hill Stages of Mitosis Quiz
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Questions and Answers

During which stage of mitosis do sister chromatids separate and move to opposite poles?

  • Anaphase (correct)
  • Telophase
  • Metaphase
  • Prophase
  • What is the main event in prometaphase of mitosis?

  • Chromosomes align at the cell equator
  • Nuclear envelope breaks down (correct)
  • Chromosomes condense
  • Spindle disappears
  • Which phase of mitosis involves the chromosomes aligning at the cell equator?

  • Prophase
  • Anaphase
  • Telophase
  • Metaphase (correct)
  • What happens to the chromosomes in telophase of mitosis?

    <p>They decondense and are enclosed in two nuclei</p> Signup and view all the answers

    In which stage of mitosis do chromosomes condense and become visible?

    <p>Prophase</p> Signup and view all the answers

    What characterizes the movement of centrosomes towards opposite poles in prophase of mitosis?

    <p>Nucleoli begin to disappear</p> Signup and view all the answers

    During which stage of cell division does cytokinesis typically begin?

    <p>Anaphase</p> Signup and view all the answers

    Which stage of meiosis involves the independent alignment of homologs and crossing-over?

    <p>Prophase I</p> Signup and view all the answers

    What happens during prometaphase in mitosis?

    <p>Nuclear envelope breaks down and spindle fibers attach to chromosomes</p> Signup and view all the answers

    Which of the following statements about telophase is correct?

    <p>Nuclear envelope reforms around separated chromosomes</p> Signup and view all the answers

    During which phase do homologous chromosomes pair up and crossing-over occurs?

    <p>Leptotene</p> Signup and view all the answers

    In which stage of cell division do sister chromatids segregate to different daughter cells?

    <p>Anaphase II</p> Signup and view all the answers

    During which stage of mitosis does the nuclear envelope break down?

    <p>Prophase</p> Signup and view all the answers

    In which stage of mitosis do the sister chromatids attach to microtubules from opposite poles?

    <p>Prometaphase</p> Signup and view all the answers

    At which stage of mitosis do the chromosomes align on the metaphase plate?

    <p>Metaphase</p> Signup and view all the answers

    What happens to the centromeres during anaphase of mitosis?

    <p>They split simultaneously</p> Signup and view all the answers

    In which phase of mitosis does the nuclear envelope form around each group of chromatids?

    <p>Telophase</p> Signup and view all the answers

    What happens to the spindle fibers during telophase of mitosis?

    <p>They disappear</p> Signup and view all the answers

    Study Notes

    Mitosis Stages

    • Sister chromatids separate and move to opposite poles during anaphase.
    • The main event in prometaphase is the breakdown of the nuclear envelope.
    • Metaphase involves the alignment of chromosomes at the cell equator.
    • In telophase, chromosomes uncoil and a nuclear envelope forms around each group of chromatids.
    • Chromosomes condense and become visible during prophase.
    • During prophase, centrosomes move towards opposite poles, characterized by the formation of a spindle apparatus.
    • Cytokinesis typically begins during telophase.

    Meiosis

    • Prophase I involves the independent alignment of homologs and crossing-over.

    Mitosis Events

    • During prometaphase, the nuclear envelope breaks down, and microtubules from opposite poles attach to the sister chromatids.
    • In anaphase, the centromeres divide, and sister chromatids move to opposite poles.
    • In metaphase, the chromosomes align on the metaphase plate.
    • In telophase, the nuclear envelope forms around each group of chromatids, and the spindle fibers disappear.
    • Sister chromatids segregate to different daughter cells during anaphase.
    • The nuclear envelope breaks down during prometaphase.

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    Description

    Test your knowledge on the stages of mitosis as presented in the McGraw Hill material, including prometaphase, breakdown of the nuclear envelope, formation of the mitotic spindle, and attachment of sister chromatids to microtubules.

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