Can You Spot the Mistakes in DNA Replication?
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Questions and Answers

What is the role of DNA polymerase during replication?

  • Snipping out erroneous bases and replacing them
  • Reading the template and adding complementary bases
  • Proofreading the new base
  • All of the above (correct)

    • How can a wrong base escape detection during replication?

  • DNA polymerase cannot proofread the new base
  • Complementary bases can form hydrogen bonds through wobble pairing (correct)
  • The template strand can be read incorrectly
  • None of the above

    • What is the relationship between maternal age and chromosome problems?

  • There is an increased incidence of chromosome problems, particularly Down syndrome (correct)
  • Maternal age only affects the father's sperm production
  • Maternal age has no effect on chromosome problems
  • None of the above

    • Why are older men more susceptible to spontaneous germ-cell mutations?

    <p>As DNA ages, replication gets less accurate and repair mechanisms become faulty</p> Signup and view all the answers

    Which genetic disorders are associated with older fathers?

    <p>Achondroplasia, Marfan syndrome, and progeria</p> Signup and view all the answers

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