Sexual Life Cycles and Cell Division
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Questions and Answers

What is the characteristic of diploid cells in a sexual life cycle?

  • Are produced by meiosis
  • Have 2 pairs of chromosomes (correct)
  • Have 1 set of chromosomes
  • Are only found in gametes

    • What is the term for the process of genetic recombination that occurs during synapsis?

  • Mitosis
  • Crossing over (correct)
  • Meiosis
  • Chiasmata

    • What is the significance of Meiosis I?

  • It only occurs in fungi
  • It increases the number of chromosomes
  • It separates sister chromatids
  • It reduces the number of chromosomes to half (correct)

    • What is the characteristic of Meiosis II?

    <p>It separates the sister chromatids</p> Signup and view all the answers

    What is the structure formed during synapsis?

    <p>Synaptonemal complex</p> Signup and view all the answers

    During which stage of meiosis I do homologous chromosomes line up at the metaphase plate?

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

    What is the result of crossing over between non-sister chromatids in meiosis?

    <p>Genetic recombination</p> Signup and view all the answers

    What is the outcome of meiosis in animals?

    <p>Four haploid cells that develop directly into gametes</p> Signup and view all the answers

    What is the result of nondisjunction during meiosis?

    <p>Aneuploid gametes</p> Signup and view all the answers

    What happens to DNA replication between meiosis I and II?

    <p>It is suppressed</p> Signup and view all the answers

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