Heredity

13 Questions

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Heredity Quizzes & Trivia

Chapters 14 and 15


Questions and Answers
  • 1. 
    Which is not the result of polygenic inheritance?
    • A. 

      Eye color

    • B. 

      Height

    • C. 

      Skin color

    • D. 

      Weight

  • 2. 
    A test cross was performed on an unknown genotype and 50% of the offspring were TtAa and 50% were Ttaa. What was the genotype of the unknown?
    • A. 

      TtAa

    • B. 

      TTAa

    • C. 

      TTAA

    • D. 

      TTAA

  • 3. 
    What is the probability of the following parents having produced the following offpsring: P=SsGG x SsGg F1=SsGg
    • A. 

      1/16

    • B. 

      1/8

    • C. 

      1/2

    • D. 

      1/4

  • 4. 
    Red roses are bred with white roses and the resulting roses have red and white petals. This would best be described as
    • A. 

      Incomplete dominance

    • B. 

      Complete dominance

    • C. 

      Codominance

    • D. 

      Subpartial dominance

  • 5. 
    Widows peak is hidden by baldness. This is an example of
    • A. 

      Epistasis

    • B. 

      Pleiotropy

    • C. 

      Multiple alleles

    • D. 

      Codominance

  • 6. 
    A lethal recessive disorder that is caused by a dysfunctional enzyme that does not allow lipids to break down properly in the brain is
    • A. 

      Cystic fibrosis

    • B. 

      Sickle cell anemia

    • C. 

      Tay Sacs disease

    • D. 

      Huntington disease

  • 7. 
    Which is not considered a multifactorial disorder?
    • A. 

      Cancer

    • B. 

      Diabetes

    • C. 

      Bipolar disorder

    • D. 

      Acondroplasia

  • 8. 
    A test that can be done at 8 weeks but does pose a risk to the pregnancy is
    • A. 

      Chorionic villus sampling

    • B. 

      Amniocentesis

    • C. 

      Fetoscopy

    • D. 

      Carrier recognition

  • 9. 
    What is the recombination frequency of Drosophila in a population if 351 if 117 were mutants?
    • A. 

      25%

    • B. 

      30%

    • C. 

      33%

    • D. 

      42%

  • 10. 
    Which one of these fits x-linked?
    • A. 

      Moms pass to sons not daughters

    • B. 

      Dad pass to sons only

    • C. 

      Dads pass to sons and daughters

    • D. 

      Moms pass to sons and daughters

  • 11. 
    Having an extra chromosome is
    • A. 

      Aneuploidy

    • B. 

      Polyploidy

    • C. 

      Deletion

    • D. 

      Inversion

  • 12. 
    XO
    • A. 

      Klineflelter

    • B. 

      Turner

    • C. 

      Patau

    • D. 

      Fragile X

  • 13. 
    What are the possible gametes produced by this individual?  GgTt
    • A. 

      Gg, Tt

    • B. 

      GT, gT

    • C. 

      GT, Gt, gT, gt

    • D. 

      Gg, Tt, GT, gt