7th Grade Science Test- Genetics

24 Questions
7th Grade Science Test- Genetics

This is a quiz about Mendel, his contributions, Punnett Squares, Probability, and Genetics.

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Questions and Answers
  • 1. 
    What happens when an egg and sperm join?
    • A. 

  • 2. 
    • A. 

  • 3. 
    When Mendel crossed the pea plants the trait that seemed to disappear happened to reappear. During what generation did it reappear?
  • 4. 
    The passing of physical characteristics from parent to offspring is __________.
    • A. 

      Genetics

    • B. 

      Traits

    • C. 

      Fertilization

    • D. 

      Heredity

  • 5. 
    Mendel wondered why different pea plants had _________ ____________?
    • A. 

      Different Genes

    • B. 

      Pollen

    • C. 

      Different Characteristics

    • D. 

      Many parents

  • 6. 
    What is happening when pollen from one plant is put into another?
    • A. 

      Cross Pollination

    • B. 

      Brushing

    • C. 

      Fertilization

    • D. 

      None of the Above

  • 7. 
    • A. 

      100% Purebred Short

    • B. 

      75% Tall and 25% Short

    • C. 

      100% Tall

    • D. 

      100% Purebred Tall

  • 8. 
    A wrinkled seed shape is the Recessive Allele, what is the Dominant Allele?
    • A. 

      Smooth

    • B. 

      Round

    • C. 

      Pinched

    • D. 

      Yellow

  • 9. 
    When the Dominant Allele is Green Pod Color and the Recessive Allele is a Pinched Pod Shape is it possible for an organism to have both of the traits?
    • A. 

      Yes

    • B. 

      No

    • C. 

      I don't know

  • 10. 
    When a capital letter is used, what kind of allele is being represented?
    • A. 

      Recessive Allele

    • B. 

      Codominance

    • C. 

      Punnett Squares

    • D. 

      Dominant Allele

  • 11. 
    • A. 

      Father of Genes

    • B. 

      Father of Heredity

    • C. 

      Father of Genetics

    • D. 

      Father of Traits

  • 12. 
    If a coin is tossed 10 times, what is the probability that it will land on heads? (answer is a percent)
    • A. 

      50 times

    • B. 

      5 times

    • C. 

      50%

    • D. 

      100%

  • 13. 
    When colored chips are pulled out of a bag AND NOT put back in, is the probability still independent?
    • A. 

      Yes

    • B. 

      No

    • C. 

      I don't know

  • 14. 
    • A. 

      Yes

    • B. 

      No

    • C. 

      I don't know

    • D. 

      It could but it does not all the time

  • 15. 
    A penny is tossed 6 times and has landed on heads each time. Knowing those results is the penny going to land on heads the next toss?
    • A. 

      Yes

    • B. 

      No

    • C. 

      50% chance of heads and 50% chance of tails

  • 16. 
    • A. 

      Ss

    • B. 

      Ss

    • C. 

      Tt

    • D. 

      Tt

  • 17. 
    A Punnett Square shows all the possible combinations of what?
    • A. 

      Genes

    • B. 

      Alleles

    • C. 

      Coin Tosses

    • D. 

      Probability

  • 18. 
    If a pea plant has a gray seed coat color, is that the pea plants phenotype of genotype?
    • A. 

      Phenotype

    • B. 

      Genotype

    • C. 

      Neither

    • D. 

      Both

  • 19. 
    • A. 

      Bb

    • B. 

      BB

    • C. 

      Bb

    • D. 

      Just A and C

    • E. 

      Just A and B

  • 20. 
    When an organism has two different alleles for a trait they are said to be ________________. (two possible answers)
    • A. 

      Heterozygous

    • B. 

      Homozygous

    • C. 

      Hybrid

    • D. 

      Purebred

  • 21. 
    If a heterozygous chicken has both black and white feathers, they have neither a dominant or recessive trait. What is having neither a dominant or recessive trait called?
    • A. 

      A black and white chicken

    • B. 

      A White chicken with black

    • C. 

      Neither black or white feathers

    • D. 

      Codominance

  • 22. 
    Mendel decided to cross pea plants with ____________ traits.
  • 23. 
    In pea plants, the dominant trait for Seed Color is Yellow. What is the Recessive trait?
  • 24. 
    Mendel's experiments demonstrated that parents traits to not always go to their _________.