Genetics In 7th Grade

10 Questions  I  By Randallh
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7th Grade Quizzes & Trivia
This quiz will test your genetics knowledge for our 7th grade science class.

  
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Questions and Answers

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  • 1. 
    What percent of offspring will be heterozygous if both parents are heterozygous?
    • A. 

      0%

    • B. 

      25%

    • C. 

      50%

    • D. 

      75%

    • E. 

      100%


  • 2. 
    Which of these genotypes is an example of homozygous dominant?
    • A. 

      Bb

    • B. 

      Bb

    • C. 

      BB


  • 3. 
    Which is the easiest way to try and determine which trait is dominant in a species?
    • A. 

      See what trait is most common

    • B. 

      Extract and map the DNA (chromosomes)

    • C. 

      Breed 10 generations and see which traits show up the most


  • 4. 
    Which description is most accurate to describe how an albino axolotl can come from two wild-type axololts?
    • A. 

      One parent is albino

    • B. 

      Both parents have to be heterozygous

    • C. 

      We can hope for a genetic mutation to occur

    • D. 

      Both parents are homozygous dominant


  • 5. 
    Where is the genetic information stored in a cell?
    • A. 

      Nuclues

    • B. 

      Ribosomes

    • C. 

      Cell membrane

    • D. 

      Vacuole


  • 6. 
    What is the dominant phenotype for human eye color?
    • A. 

      BB

    • B. 

      Bb

    • C. 

      Brown

    • D. 

      Blue


  • 7. 
    Which of these genotypes are heterozygous?
    • A. 

      Bb

    • B. 

      BB

    • C. 

      Bb

    • D. 

      Brown

    • E. 

      Blue


  • 8. 
    Imagaine you have offspring from a wild type axolotl and an albino axolotl. The offspring end up 100% wild type. What is the most likely genotype of the wild type axolotl?
    • A. 

      Bb

    • B. 

      BB

    • C. 

      Bb


  • 9. 
    Imagine you have offspring from two albino axolotls. What is the only genotype that can occur?
    • A. 

      Bb

    • B. 

      Bb

    • C. 

      BB

    • D. 

      Albino

    • E. 

      Wild type


  • 10. 
    Use a punnet square for you answer. What percent of offspring will be homozygous recessive if one parent is homozygous recessive and one parent is heterozygous.
    • A. 

      0%

    • B. 

      25%

    • C. 

      50%

    • D. 

      75%

    • E. 

      100%


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