DNA Damage and Mutation Types Quiz
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Questions and Answers

What is DNA damage also known as?

  • Transition
  • Transversion
  • Genetic mutation
  • Lesion (correct)
  • Which of the following is a factor causing DNA damage?

  • Cancer chemotherapy drugs (correct)
  • Protein synthesis
  • RNA transcription
  • Vitamin C
  • How is damaged DNA repaired?

  • Inclusive repair and Subtraction repair
  • Indirect repair and Deletion repair
  • Reverse repair and Addition repair
  • Direct repair and Excision repair (correct)
  • What is a mutation?

    <p>An alteration to the genetic material that produces heritable change</p> Signup and view all the answers

    What type of mutation results in the substitution of one base pair for a different base pair?

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

    What type of point mutation substitutes a purine for a purine, and a pyrimidine for a pyrimidine?

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

    Which type of mutation can be caused by oxidative deamination and tautomerization?

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

    What type of point mutation substitutes a purine for a pyrimidine, and a pyrimidine for a purine?

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

    Which mutation type results in the deletion or insertion of a nucleotide?

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

    Sickle-cell anaemia is caused by a point mutation in the β-globin chain of normal hemoglobin, resulting in the substitution of which amino acid?

    <p>Valine (V)</p> Signup and view all the answers

    Which mutation type is most common?

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

    What outcome results from a point mutation in the CFTR gene associated with Cystic Fibrosis?

    <p>Deletion of a codon (3 nucleotides)</p> Signup and view all the answers

    What can help in better utilizing biotechnology techniques to solve disorders associated with mutation?

    <p>Understanding mutation mechanisms</p> Signup and view all the answers

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