DNA Replication and Replication Forks
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Questions and Answers

What is the main function of transposons in the human genome?

  • Repairing damaged DNA
  • Regulating gene expression
  • Encoding active genes
  • Creating or reversing mutations (correct)
  • Which type of pseudogenes are created by reverse transcription of unspliced precursor mRNAs?

  • Processed pseudogenes
  • Active pseudogenes
  • Functional pseudogenes
  • Nonprocessed pseudogenes (correct)
  • What percentage of the repetitive sequences in the human genome are derived from transposons?

  • 85%
  • 25%
  • 65%
  • 45% (correct)
  • Which type of repetitive sequence consists of variable number tandem repeats?

    <p>Satellite DNA</p> Signup and view all the answers

    Which class of transposon-mediated transposition involves RNA?

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

    What do segmental duplications refer to in the context of the human genome?

    <p>Duplicated blocks of DNA sequences</p> Signup and view all the answers

    What is the main characteristic of processed pseudogenes?

    <p>Lack introns</p> Signup and view all the answers

    Which region of the chromosome is responsible for protecting the ends of chromosomes from deterioration?

    <p>'telomeres'</p> Signup and view all the answers

    'Secondary constrictions' in chromosomes are mainly associated with which structure?

    <p>'Centromeres'</p> Signup and view all the answers

    What is the primary feature of tandem repeats in the human genome?

    <p>Variable number tandem repeats</p> Signup and view all the answers

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