7th Grade Science Test- Genetics

24 Questions  I  By Sfurtek
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7th Grade Quizzes & Trivia
This is a quiz about Mendel, his contributions, Punnett Squares, Probability, and Genetics.

  
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  • 1. 
    The passing of physical characteristics from parent to offspring is __________.
    • A. 

      Genetics

    • B. 

      Traits

    • C. 

      Fertilization

    • D. 

      Heredity


  • 2. 
    Mendel wondered why different pea plants had _________ ____________?
    • A. 

      Different Genes

    • B. 

      Pollen

    • C. 

      Different Characteristics

    • D. 

      Many parents


  • 3. 
    What happens when an egg and sperm join?
    • A. 

      They develop similar genes

    • B. 

      A new organism is produced

    • C. 

      The pollen leaves the flower

    • D. 

      Self Pollination occurs


  • 4. 
    What is happening when pollen from one plant is put into another?
    • A. 

      Cross Pollination

    • B. 

      Brushing

    • C. 

      Fertilization

    • D. 

      None of the Above


  • 5. 
    If a Purebred Tall Plant and a Purebred short plant are crossed when will be the outcome of the F1 generation?
    • A. 

      100% Purebred Short

    • B. 

      75% Tall and 25% Short

    • C. 

      100% Tall

    • D. 

      100% Purebred Tall


  • 6. 
    A wrinkled seed shape is the Recessive Allele, what is the Dominant Allele?
    • A. 

      Smooth

    • B. 

      Round

    • C. 

      Pinched

    • D. 

      Yellow


  • 7. 
    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


  • 8. 
    When a capital letter is used, what kind of allele is being represented?
    • A. 

      Recessive Allele

    • B. 

      Codominance

    • C. 

      Punnett Squares

    • D. 

      Dominant Allele


  • 9. 
    After Mendel died scientists began to recognize the importance of his ideas. They called him a name. What was the name that they called him?
    • A. 

      Father of Genes

    • B. 

      Father of Heredity

    • C. 

      Father of Genetics

    • D. 

      Father of Traits


  • 10. 
    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%


  • 11. 
    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


  • 12. 
    If the probability of something is 75% will the event really occur 75% of the time?
    • A. 

      Yes

    • B. 

      No

    • C. 

      I don't know

    • D. 

      It could but it does not all the time


  • 13. 
    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


  • 14. 
    If Tall is the dominant trait and short is the recessive trait what letter(s) do you represent a short plant with?
    • A. 

      Ss

    • B. 

      Ss

    • C. 

      Tt

    • D. 

      Tt


  • 15. 
    A Punnett Square shows all the possible combinations of what?
    • A. 

      Genes

    • B. 

      Alleles

    • C. 

      Coin Tosses

    • D. 

      Probability


  • 16. 
    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


  • 17. 
    Black is the dominant color of bunny's fur, it can be expressed using what genotype combination?
    • A. 

      Bb

    • B. 

      BB

    • C. 

      Bb

    • D. 

      Just A and C

    • E. 

      Just A and B


  • 18. 
    When two identical alleles for a trait are in an organism, the organism is said to be ____________? (there are two possible answers)
    • A. 

      Heterozygous

    • B. 

      Homozygous

    • C. 

      Hybrid

    • D. 

      Purebred


  • 19. 
    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


  • 20. 
    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


  • 21. 
    Mendel decided to cross pea plants with ____________ traits.

  • 22. 
    In pea plants, the dominant trait for Seed Color is Yellow. What is the Recessive trait?

  • 23. 
    When Mendel crossed the pea plants the trait that seemed to disappear happened to reappear. During what generation did it reappear?

  • 24. 
    Mendel's experiments demonstrated that parents traits to not always go to their _________. 

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