CH 2: Comparison of Mitosis and Meiosis
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Questions and Answers

Which process involves the formation of four daughter cells?

  • Meiosis (correct)
  • Mitosis
  • Karyokinesis
  • Cytokinesis

    • Which process contributes to genetic diversity by allowing crossing over to occur?

  • Meiosis (correct)
  • Cytokinesis
  • Mitosis
  • Karyokinesis

    • In which process do daughter cells have the same genetic information as the parent cell?

  • Cytokinesis
  • Mitosis (correct)
  • Meiosis
  • Karyokinesis

    • Which process occurs in body cells for growth and maintenance purposes?

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

    How many rounds of cell division occur during meiosis?

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

    During prophase, how do chromosomes behave differently in mitosis compared to meiosis I?

    <p>In mitosis, chromosomes do not form pairs, while in meiosis I, homologous chromosomes pair up</p> Signup and view all the answers

    What occurs during anaphase in mitosis as opposed to meiosis I?

    <p>In mitosis, centromeres split and chromatids move to opposite poles; in meiosis I, whole chromosomes are pulled to poles</p> Signup and view all the answers

    What distinguishes telophase outcomes between mitosis and meiosis I?

    <p>Mitosis results in two identical daughter cells; meiosis I results in two haploid daughter cells</p> Signup and view all the answers

    How does Meiosis II differ from Meiosis I and resemble mitosis?

    <p>Meiosis II resembles mitosis for haploid cells because of the separation of sister chromatids</p> Signup and view all the answers

    Why is the differentiation between Meiosis II and Mitosis important for genetic diversity?

    <p>Because Meiosis II ensures that offspring inherit a mix of genetic material from both parents</p> Signup and view all the answers

    What is a key difference between the division of cells in mitosis and meiosis?

    <p>Karyokinesis occurs once in mitosis but twice in meiosis.</p> Signup and view all the answers

    Which process does not involve crossing over, leading to genetic recombination?

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

    What is a significant difference in the genetic content of daughter cells produced by mitosis compared to meiosis?

    <p>Daughter cells in mitosis are genetically identical, whereas those in meiosis are genetically different.</p> Signup and view all the answers

    Which key aspect of cell division contributes significantly to genetic diversity among produced gametes?

    <p>Crossing over during chromosome alignment</p> Signup and view all the answers

    Why is the chromosome number halved during meiosis but remains constant in mitosis?

    <p>To maintain species-specific chromosome numbers</p> Signup and view all the answers

    Which statement accurately describes the role of mitosis and meiosis in the life cycle of organisms?

    <p>Mitosis is key for growth and maintenance while meiosis plays a critical role in reproduction and genetic diversity.</p> Signup and view all the answers

    Which stage of cell division is responsible for ensuring that daughter cells are genetically different from each other and from the parent cell?

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

    What is the key difference in chromosome behavior during metaphase between mitosis and meiosis I?

    <p>Individual chromosomes line up on the equator in mitosis, while homologous chromosome pairs line up in meiosis I</p> Signup and view all the answers

    How does anaphase in mitosis differ from anaphase in meiosis I?

    <p>In mitosis, centromeres split and chromatids move to opposite poles; in meiosis I, whole chromosomes are pulled to poles</p> Signup and view all the answers

    What is the outcome of telophase in mitosis compared to meiosis I?

    <p>Mitosis results in two identical daughter cells, while meiosis I results in two haploid daughter cells with non-identical genetic material</p> Signup and view all the answers

    Why does the second division in meiosis (Meiosis II) resemble mitosis for haploid cells?

    <p>Because starting cells for Meiosis II are haploid from the previous division (Meiosis I)</p> Signup and view all the answers

    What contributes significantly to biological diversity and reproduction by ensuring a mix of genetic material from both parents?

    <p>The pairing of homologous chromosomes during metaphase in meiosis I</p> Signup and view all the answers

    Which statement accurately describes the outcome of Meiosis II?

    <p>It results in two haploid daughter cells that are genetically identical</p> Signup and view all the answers

    In which phase do whole chromosomes split and move to opposite poles during cell division?

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

    What distinguishes the behavior of chromosomes during prophase in mitosis from prophase in meiosis I?

    <p>In prophase of mitosis, chromosomes form pairs while homologous chromosomes pair up in prophase of meiosis I</p> Signup and view all the answers

    What is a distinguishing feature of the chromosome behavior during anaphase in mitosis compared to anaphase I in meiosis?

    <p>Sister chromatids separate and move towards opposite poles in mitosis, while homologous chromosomes move to opposite poles in meiosis I.</p> Signup and view all the answers

    What is a key similarity between karyokinesis in mitosis and meiosis?

    <p>Karyokinesis occurs twice in both processes.</p> Signup and view all the answers

    What contributes to the genetic variation found among the formed gametes?

    <p>The occurrence of crossing over</p> Signup and view all the answers

    How does the behavior of chromosomes during prophase differ in mitosis compared to prophase I of meiosis?

    <p>Chromosomes condense and become visible as two sister chromatids in mitosis, while homologous chromosomes pair up in meiosis I.</p> Signup and view all the answers

    What is a critical difference between the daughter cells produced by mitosis compared to those produced by meiosis?

    <p>Daughter cells from mitosis are genetically identical while those from meiosis are different.</p> Signup and view all the answers

    Which statement accurately describes the role of cytokinesis in cell division?

    <p>Cytokinesis splits the cytoplasm resulting in two distinct daughter cells.</p> Signup and view all the answers

    During which phase of cell division does crossing over occur, contributing to genetic variability?

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

    What is a key difference in the behavior of chromosomes during telophase in mitosis and meiosis I?

    <p>In mitosis, chromosomes move to opposite poles individually, whereas in meiosis I, whole chromosomes move to poles.</p> Signup and view all the answers

    What distinguishes the role of anaphase in mitosis from anaphase in meiosis I?

    <p>In mitosis, chromatids are pulled to poles, while in meiosis I, whole chromosomes are pulled.</p> Signup and view all the answers

    Which statement best describes the outcome of metaphase for mitosis compared to meiosis I?

    <p>In mitosis, individual chromosomes align at the equator while homologous pairs do so in meiosis I.</p> Signup and view all the answers

    What contributes significantly to biological diversity by ensuring offspring inherit a mix of genetic material from both parents?

    <p>Homologous chromosome pairing during metaphase</p> Signup and view all the answers

    How does the division of cells during prophase differ between mitosis and meiosis I?

    <p>In mitosis, chromosomes do not pair up, while they do so in meiosis I.</p> Signup and view all the answers

    During cell division, how do daughter cells produced by mitosis differ from those produced by meiosis I?

    <p>Mitosis results in diploid daughter cells, while Meiosis I produces haploid daughter cells.</p> Signup and view all the answers

    What is a crucial aspect of the second division (Meiosis II) that ensures genetic variation among produced gametes?

    <p>The starting cells are haploid from Meiosis I.</p> Signup and view all the answers

    What occurs during Metaphase that differentiates between mitosis and Meiosis I?

    <p>In mitosis, chromosomes are not paired at the equator, whereas homologous pairs are in Meiosis I.</p> Signup and view all the answers

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