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Science, Biology

9th -

12thgrade

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Genetic Evolution

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20 questions

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  • 1. Drop Down
    1.5 minutes
    1 pt
    Image

    Use the diagram and description below to predict the type of selection that is occurring for tail length. (a)  

    Disruptive
    Directional
    Stabilizing
    Artificial
  • 2. Drag and Drop
    1.5 minutes
    1 pt

    A heterozygous organism has (a)   .

    2 recessive alleles
    No alleles
    2 dominant alleles
    1 dominant, 1 recessive allel
  • 3. Multiple Choice
    30 seconds
    1 pt

    An organism’s physical appearance is its _____.

    chromosome

    allele

    genotype

    phenotype

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