Genetics And DNA Quiz Yr 10 Science

22 Questions | Attempts: 6379

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Genetics And DNA Quiz Yr 10 Science - Quiz

How well do you understand genetics and DNA? Try this genetics and DNA yr 10 science quiz to check your knowledge. We have questions about genes, genetics, DNA, etc. , to help you test your knowledge and enhance it. Go for it, and see how much you score. Further, you can share the quiz results with others and challenge them on scores. All the best for a perfect score! Do share it with others associated with this field.


Questions and Answers
  • 1. 
    All of the following are true about the structure of DNA, except
    • A. 

      Short strands of DNA are contained in chromosomes inside the nucleus of a cell.

    • B. 

      Every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base.

    • C. 

      DNA consists of one strand of nucleotides joined by hydrogen bonds.

    • D. 

      The long strands of nucleotides are twisted into a double helix.

  • 2. 
    Molecules of DNA are composed of long chains of
    • A. 

      Amino acids

    • B. 

      Fatty acids

    • C. 

      Monosaccharides

    • D. 

      Nucleotides

  • 3. 
    DNA is found in
    • A. 

      All living things

    • B. 

      Only humans

    • C. 

      Only philosalraptors

    • D. 

      None of the above

  • 4. 
    In a base pair, C stands for what?
    • A. 

      Cooty

    • B. 

      Creator

    • C. 

      Cytosine

    • D. 

      None of the above

  • 5. 
    All human BODY CELLS contain this many chromosomes.  
    • A. 

      23

    • B. 

      46

    • C. 

      8

    • D. 

      45

  • 6. 
    Sperm cells and egg cells are examples of
    • A. 

      Body cells

    • B. 

      Meiosis

    • C. 

      Gametes

    • D. 

      DNA

  • 7. 
    The name of the large molecule contained in chromosomes is called
    • A. 

      RNA

    • B. 

      DEA

    • C. 

      DVD

    • D. 

      DNA

  • 8. 
    Where are chromosomes located inside the cell?
    • A. 

      The ribosome

    • B. 

      The nuclear membrane

    • C. 

      The cell wall

    • D. 

      The nucleus

  • 9. 
    Different versions of the same gene are known as
    • A. 

      Centromeres

    • B. 

      Alleles

    • C. 

      Chromosomes

    • D. 

      Gametes

  • 10. 
    Heterozygous means
    • A. 

      Having two of the same genes for a certain trait

    • B. 

      Having a zygous that is hetero

    • C. 

      Having two genes for a trait that are different

    • D. 

      None of the above

  • 11. 
    Having two of the same genes for a certain trait is called
    • A. 

      Heterozygous

    • B. 

      Homozanious

    • C. 

      The same

    • D. 

      Homozygous

  • 12. 
    The type of gene that always shows itself is called a
    • A. 

      Powerful gene

    • B. 

      Dominant gene

    • C. 

      Homozygous gene

    • D. 

      Recessive gene

  • 13. 
    A chart that shows the possible gene combinations is called a
    • A. 

      A gene symbol

    • B. 

      Karyotype

    • C. 

      A Punnett Sguare

    • D. 

      A pie chart

  • 14. 
    Genes for a trait that are hidden when the dominant gene is present are called
    • A. 

      A wimpy gene

    • B. 

      Heterozygous

    • C. 

      Recessitative jeans

    • D. 

      Recessive gene

  • 15. 
    What are the chances of an offspring being a boy or a girl?
    • A. 

      25%

    • B. 

      33%

    • C. 

      50%

    • D. 

      75%

  • 16. 
    A recessive gene always shows itself.
    • A. 

      True

    • B. 

      False

  • 17. 
    If the trait for the fur pattern on a dog were solid fur(f) and spotted fur(F), a homozygous female with solid fur and a homozygous male with spotted fur have a 25% chance of having offspring with solid fur.
    • A. 

      True

    • B. 

      False

  • 18. 
    How many pairs of chromosomes are in a human body cell?
    • A. 

      46

    • B. 

      12

    • C. 

      23

    • D. 

      8

  • 19. 
    Male organisms have
    • A. 

      Two x chromosomes

    • B. 

      Two y chromosomes

    • C. 

      One x and one z chromosome

    • D. 

      One x and one y chromosome

  • 20. 
    A Larkey that is homozygous for red eyes(EE) mates with a Larkey that is homozygous for gray eyes(ee). What percent chance will their offspring have gray eyes?
    • A. 

      25%

    • B. 

      50%

    • C. 

      75%

    • D. 

      None of the above

  • 21. 
    FF-striped fur, Ff- solid fur, ff- spotted fur Two Larkeys with solid fur mate. Which fur will their offspring most likely have?
    • A. 

      Striped

    • B. 

      Solid

    • C. 

      Spotted

    • D. 

      Dotted

  • 22. 
    A woman that is a carrier of colorblindness mates with a man that is colorblind. What percent chance will their offspring actually be colorblind?
    • A. 

      25%

    • B. 

      50%

    • C. 

      75%

    • D. 

      None of the above

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