Cell Biology and Genetics
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Cell Biology and Genetics

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Questions and Answers

What is the result of non-disjunction during meiosis?

  • Separation of homologous chromosomes
  • Nondisjunction of sister chromatids
  • Gametes with an abnormal number of chromosomes (correct)
  • Increased telomere length
  • What is the function of telomeres in stem cells?

  • To promote DNA replication
  • To protect the chromosome from deterioration (correct)
  • To facilitate mitosis
  • To increase gene expression
  • What is the purpose of homologous chromosomes?

  • To facilitate crossing over during meiosis (correct)
  • To increase genetic variation
  • To ensure genetic continuity
  • To regulate gene expression
  • How do stem cells contribute to sex determination?

    <p>They do not contribute to sex determination</p> Signup and view all the answers

    What is the significance of diploma pens and plaid in relation to meiosis and stem cells?

    <p>They are not relevant to meiosis and stem cells</p> Signup and view all the answers

    During which stage of meiosis do homologous chromosomes separate and move to opposite poles of the cell?

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

    What is the term for the error that occurs when a pair of chromosomes fails to separate during meiosis?

    <p>Non-disjunction</p> Signup and view all the answers

    Which of the following is an example of a syndrome caused by a non-disjunction error during meiosis?

    <p>Trisomy 21</p> Signup and view all the answers

    What is the primary function of telomeres in stem cells?

    <p>To protect the ends of chromosomes from degradation</p> Signup and view all the answers

    What is the term for the process by which stem cells differentiate into specialized cells?

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

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