Genes And Chromosomes Trivia Quiz

21 Questions | Total Attempts: 83

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Gene Quizzes & Trivia

Questions and Answers
  • 1. 
    A specific sequence in DNA that determines traits is called
    • A. 

      DNA

    • B. 

      A gene

    • C. 

      A trait

    • D. 

      A chromosome

  • 2. 
    How many pairs of chromosomes do humans have?
    • A. 

      46

    • B. 

      2

    • C. 

      0

    • D. 

      23

  • 3. 
    Which of the following are examples of  traits? (Check as many as you need)
    • A. 

      Blue eyes

    • B. 

      Hair

    • C. 

      Fingers

    • D. 

      Brown skin

    • E. 

      Nose size

    • F. 

      Feet

    • G. 

      Curly Hair

  • 4. 
    Genes are the blueprints for our bodies.
    • A. 

      True

    • B. 

      False

  • 5. 
    A  mutation is
    • A. 

      A Unit of complex genes

    • B. 

      A change in the genetic code

    • C. 

      An animal

    • D. 

      The Process of a cell reproducing itself

  • 6. 
    Place these in order from largest to smallest: cell, organ, gene, organ system, tissue, chromosome, body, organelles, DNA
  • 7. 
    What chromosomes do males have?
    • A. 

      AB

    • B. 

      OO

    • C. 

      XX

    • D. 

      XY

  • 8. 
    How can you show the dominant trait on a Punnett square?
    • A. 

      Circle it

    • B. 

      Scratch it out

    • C. 

      Capitalize it

    • D. 

      Underline it

    • E. 

      Capitalize or underline it

  • 9. 
    A phenotype is
    • A. 

      A Characteristics

    • B. 

      A Trait

    • C. 

      Physical appearance

    • D. 

      A Gene

  • 10. 
    Which could be purebred? (Choose as many as you need)
    • A. 

      TT

    • B. 

      Tt

    • C. 

      TT

    • D. 

      Tt

  • 11. 
    A ___________ square is a drawing used to predict ________
  • 12. 
    Gregor Mendel bred....
    • A. 

      Flowers

    • B. 

      Pea plants

    • C. 

      People

    • D. 

      Trees

    • E. 

      All of the above

  • 13. 
    Which are symptoms of  Marfans Syndrome? (Choose all that apply)
    • A. 

      Tall

    • B. 

      Long face

    • C. 

      Short

    • D. 

      Double jointed

    • E. 

      Skinny

    • F. 

      Stubby fingers

  • 14. 
    A hybrid is
    • A. 

      An offspring

    • B. 

      The offspring of two heterozygous parents

    • C. 

      When two distinct species breed

    • D. 

      A bird

  • 15. 
    A dominant trait is
    • A. 

      A hidden trait

    • B. 

      A trait that always appears when present

    • C. 

      A trait that is mutated

    • D. 

      A trait that will never show if present

  • 16. 
    Heterozygous is when there are two different traits.
    • A. 

      True

    • B. 

      False

  • 17. 
    Which is an example of genotype?
    • A. 

      Rr

    • B. 

      50%

    • C. 

      2/4 Rr

    • D. 

      Red

  • 18. 
    Which is an example of a mutation?
    • A. 

      A mutt

    • B. 

      A cell

    • C. 

      A mistake a cell makes when reproducing

    • D. 

      A Two-headed turtle

  • 19. 
    A gene determines inherited traits by carrying the information from parent to offspring.
    • A. 

      True

    • B. 

      False

  • 20. 
    Check all the TRUE statements.
    • A. 

      You can inherit diseases like Marfans Syndrome

    • B. 

      There are 23 total chromosomes in a human

    • C. 

      Traits are NOT passed from parent to offspring

    • D. 

      Having 3 fingers is an example of a mutation

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