Virtual Lab: Mendelian Inheritance using Punnett Square Simulator
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Access the Tool:
Visit the Punnett Square Calculator:
https://scienceprimer.com/punnett-square-calculator -
Complete the Following Tasks:
Part A: Monohybrid Cross
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Select 1 trait.
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Enter the parent genotypes:
Aa × Aa
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Observe the resulting Punnett Square.
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Record:
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All possible genotypes and phenotypes
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Genotypic ratio
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Phenotypic ratio
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Part B: Dihybrid Cross
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Select 2 traits.
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Enter parent genotypes:
AaBb × AaBb
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Observe the 4x4 Punnett Square.
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Record:
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List of genotype combinations
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Phenotypes and how they are derived
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Ratios (genotypic and phenotypic)
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Answer the Following Questions:
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What patterns do you notice in the monohybrid vs. dihybrid crosses?
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How does this relate to Mendel’s Law of Segregation and Law of Independent Assortment?
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How would results differ if one parent were homozygous recessive for both traits?
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(Optional Challenge):
Try a Trihybrid Cross and describe the complexity of the resulting Punnett Square.
Submission Requirements:
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A PDF or Word document containing:
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Screenshots of each simulation (Monohybrid and Dihybrid crosses)
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Your answers to the questions above
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File Name Format:
YourName_PunnettSquareActivity