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

Which class of transposon-mediated transposition involves RNA?

<p>Retrotransposons (A)</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 (C)</p> Signup and view all the answers

What is the main characteristic of processed pseudogenes?

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

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

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

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

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

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

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

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