Mutation and Genome Alteration Quiz
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Questions and Answers

What is mutation?

  • The repair of DNA mutations
  • The occurrence of rare events in DNA replication
  • The alteration of the nucleotide sequence of the genome (correct)
  • The duplication of nucleotide sequences

    • How are mutations mostly likely to occur?

  • Accidentally during DNA replication (correct)
  • Due to chemical changes in the environment
  • As a result of external UV radiation exposure
  • Through deliberate actions by the organism

    • What is the average number of mutations in a new cell?

  • 50 mutations
  • 200 mutations
  • 300 mutations
  • 120 mutations (correct)

    • Which factor can increase the rate of mutations?

    <p>Chemicals in tobacco smoke</p> Signup and view all the answers

    What type of mutation involves a single base change?

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

    What is the situation when a part of a chromosome sequence is disturbed or missed/added?

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

    Which type of DNA mutation involves an extra base being added?

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

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