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 (C)</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 (B)</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 (D)</p> Signup and view all the answers

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

<p>Transition (D)</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 (C)</p> Signup and view all the answers

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

<p>Deletion (B)</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) (B)</p> Signup and view all the answers

Which mutation type is most common?

<p>Point mutation (B)</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) (B)</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 (D)</p> Signup and view all the answers

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