Gene Mutation & Cancer Biology Quiz
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Questions and Answers

What is the main role of tumor suppressor genes?

  • Stimulating cell division
  • Causing cells to multiply uncontrollably
  • Increasing the risk of developing hereditary breast cancer
  • Repairing mismatched DNA (correct)

    • What happens when a tumor suppressor gene mutates?

  • Cells undergo differentiation
  • Cells grow uncontrollably forming tumors (correct)
  • Cells divide at a controlled rate
  • The risk of breast cancer decreases

    • What is the impact of an oncogene mutation?

  • Causing cells to divide uncontrollably (correct)
  • Preventing cell division
  • Inhibiting tumor growth
  • Repairing damaged DNA

    • What is the term for any change in the gene structure of a cell?

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

    Which statement concerning Germline mutation is incorrect?

    <p>Occurred due to exposure to radiation</p> Signup and view all the answers

    Which tumor suppressor gene is mutated in over 50% of cancers?

    <p>p53</p> Signup and view all the answers

    What is the main cause of somatic mutations?

    <p>Exposure to mutagens like tobacco and UV radiation</p> Signup and view all the answers

    Which type of mutation is found in every cell of the body?

    <p>Germline mutation</p> Signup and view all the answers

    How do genes control the functioning of cells?

    <p>By producing proteins that enable normal cell function</p> Signup and view all the answers

    Which type of gene mutations can be passed on to offspring?

    <p>Germline mutations</p> Signup and view all the answers

    What is the prevalence of germline mutations compared to somatic mutations?

    <p>Germline mutations are less common than somatic mutations</p> Signup and view all the answers

    In what type of cells are somatic mutations usually not found?

    <p>Every cell contains somatic mutations</p> Signup and view all the answers

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