Mrs. Jo's DNA Qz

10 Questions | Total Attempts: 76

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Mrs. Jo

Genetics quiz covering structure and fx of DNA.


Questions and Answers
  • 1. 
    In the strawberry- DNA Isolation lab, what was the white floating stringy substance?
    • A. 

      Strawberrry guts

    • B. 

      DNA that has been removed from the nucleus bc we smooshed up the stawberries

    • C. 

      DNA removed from the cell wall bc we pounded the strawberries.

  • 2. 
    What does the structure of DNA look like?
    • A. 

      Sugar phospate with genetic base pairs

    • B. 

      Double helix

    • C. 

      Wheel

  • 3. 
    Asexual reproduction creates a:
    • A. 

      Clone- exact copy of the parent

    • B. 

      Unique individual- 50% of both parents

    • C. 

      Some of mom and more of dad

  • 4. 
    Who first predicted a pattern that genetic info was passed from parent to offspring in his experiments with pea plants?
    • A. 

      Watson and Crick

    • B. 

      Delaney

    • C. 

      Gregor Mendel

  • 5. 
    This word means the same genotype- such as AA or aa.
    • A. 

      Heterozygous

    • B. 

      Homozygous

    • C. 

      Hybrid

    • D. 

      Pure

    • E. 

      Both homozygous and pure

  • 6. 
    The word tha means to cover over or dominate such as Aa or AA but not aa
    • A. 

      Dominant

    • B. 

      Recessive

    • C. 

      Deteriorate

  • 7. 
    The word that means different such as Ss but not SS.
    • A. 

      Homozygous

    • B. 

      Pure

    • C. 

      Hybrid

    • D. 

      Heterozygous

    • E. 

      Both hybrid and heterozygous

  • 8. 
    This word means to be hidden or masked.
    • A. 

      Recessive

    • B. 

      Dominant

    • C. 

      Relative

  • 9. 
    What would the parents genotype be?
    • A. 

      TT x tt

    • B. 

      TT x TT

    • C. 

      Tt x Tt

    • D. 

      Tt x tt

  • 10. 
    If both parents are homozygous recessive, what chance will the offspring show any dominant characteristics.
    • A. 

      100%

    • B. 

      25%

    • C. 

      50%

    • D. 

      0%

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