Robbins Gen Path - Genetics

10 Questions | Total Attempts: 94

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Genetics Quizzes & Trivia

Questions based on Robbins and Cotran


Questions and Answers
  • 1. 
    Which term best defines the loss or gain of whole chromosomes?
    • A. 

      Point mutation

    • B. 

      Genome mutation

    • C. 

      Missense mutation

    • D. 

      Frameshift mutation

    • E. 

      Chromosome mutation

  • 2. 
    Which term best defines the rearrangement of genetic material that gives rise to visible structural changes in the chromosome?
    • A. 

      Point mutation

    • B. 

      Genome mutation

    • C. 

      Frameshift mutation

    • D. 

      Chromosome mutation

    • E. 

      Genome rearrangement

  • 3. 
    Which term best defines the insertion or deletion of one or two base pairs in the DNA strand, leading to alterations in the reading frame?
    • A. 

      Point mutation

    • B. 

      Genome mutation

    • C. 

      Frameshift mutation

    • D. 

      Missense mutation

    • E. 

      Chromosome mutation

  • 4. 
    Which term best defines a point mutation that alters the code in a triplet of bases, leading to the replacement of one amino acid by another?
    • A. 

      Missense mutation

    • B. 

      Frameshift mutation

    • C. 

      Genome mutation

    • D. 

      Loss of function mutation

    • E. 

      Gain of function mutation

  • 5. 
    Which type of mutation almost always affects guanine and cytosine nucleotides?
    • A. 

      Missense mutation

    • B. 

      Frameshift mutation

    • C. 

      Loss of function mutation

    • D. 

      Gain of function mutation

    • E. 

      Trinucleotide repeat mutations

  • 6. 
    Abnormal _______________ may result from mutations affecting introns or splice junctions, or both.
    • A. 

      Transcription

    • B. 

      Translation

    • C. 

      TRNA processing

    • D. 

      MRNA processing

    • E. 

      DNA processing

  • 7. 
    Which term best defines the full expression of both alleles of a pair in the heterozygote?
    • A. 

      Codominance

    • B. 

      Pleotropism

    • C. 

      Complete penetrance

    • D. 

      Incomplete penetrance

    • E. 

      Genetic homozygosity

  • 8. 
    When a single mutant gene leads to many end effects, this process is defined as:
    • A. 

      Hemizygosity

    • B. 

      Codominance

    • C. 

      Pleiotropism

    • D. 

      Genetic homozygosity

    • E. 

      Genetic heterogeneity

  • 9. 
    Which term best defines mutations at several genetic loci that produce the same trait?
    • A. 

      Genetic homozygosity

    • B. 

      Genetic heterogeneity

    • C. 

      Pleotropism

    • D. 

      Hemizygosity

    • E. 

      Autosomal recessive disorders

  • 10. 
    When an individual inherits a mutant gene but is phenotypically normal, this condition is best defined as:
    • A. 

      Dominant disorder

    • B. 

      Recessive disorder

    • C. 

      Partial penetrance

    • D. 

      Complete penetrance

    • E. 

      Incomplete penetrance

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