Genetic Disorders and Chromosomal Abnormalities Quiz
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Questions and Answers

What is the term for the repetition of part of a chromosome resulting from fusion with a fragment from a homologous chromosome?

  • Inversion
  • Translocation
  • Deletion
  • Duplication (correct)

    • What is the cause of down syndrome?

  • Duplication
  • Translocation
  • Inversion
  • Nondisjunction (correct)

    • What is the term for the loss of one or more nucleotides from a gene by mutation?

  • Duplication
  • Inversion
  • Translocation
  • Deletion (correct)

    • Why do abnormal numbers of sex chromosomes not usually affect survival?

    <p>The Y chromosome is not necessary for survival (D)</p> Signup and view all the answers

    What does karyotyping reveal?

    <p>Chromosome abnormalities as the cause of malformation or disease (B)</p> Signup and view all the answers

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