Genetics Introduction and Chromosomes Quiz
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Questions and Answers

What is the main copying mechanism for DNA replication?

  • Mutagenesis (correct)
  • Translocation
  • Insertions/deletions
  • Recombination

    • Which type of mutation affects only one point in the DNA sequence?

  • Insertions
  • Translocation
  • Point mutation (correct)
  • Deletions

    • What is the consequence of non-disjunction during meiosis II?

  • Translocation
  • Higher mutation rate in males
  • Down syndrome
  • Aneuploidy (correct)

    • What is the possible outcome of an inversion that spans the centromere?

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

    In which situation would recombination not be possible between certain genes?

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

    What is the major nuclear component according to the text?

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

    Which scientist(s) used x-ray crystallography to build a model of DNA?

    <p>Watson &amp; Crick (A)</p> Signup and view all the answers

    What was the outcome of the experiment involving pathogenic bacteria and mice?

    <p>Pathogenic bacteria recovered in all mice including the one without DNA (D)</p> Signup and view all the answers

    What did Chargaff's rule state?

    <p>The percentage of A equals the percentage of T, and the percentage of C equals the percentage of G (A)</p> Signup and view all the answers

    According to the text, what is the implication of complementary strands in DNA?

    <p>Stability (mutations are less likely) (B)</p> Signup and view all the answers

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