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AP Biology Lab 7-8 Take-Home Exam

AP Exam time is fast approaching! Try these teacher-tested, take-home tests to let your students determine their readiness for the upcoming exams. These are great for review after each lab or as a group as a final review.

Lab 7 (Genetics & chi-square)

  1. What does chi-square measure?

  2. What are the chances of getting the following from a cross of AaBbCC x AaBBCc genotype of AaBBCC?

  3. Complete the following table for the following incomplete dominance monohybrid cross:
    Bb x Bb where BB= black fur; Bb= auburn fur; bb= albino fur

    Observed phenotype Expected phenotype Chi square
    30 black    
    40 brown    
    30 albino    

  4. At the 0.05 probability level, are the results significantly different from what was expected?

Lab 8 (Population genetics)

  1. What are the 5 assumptions for Hardy-Weinberg equilibrium?






  2. What do the following stand for:

    A) p2

    B) q2

    C) p2+2pq

  3. In a Hardy-Weinberg population, the frequency of the a allele is 0.4. What is the frequency of individuals with Aa genotype?

  4. In a population with 2 alleles, A and a, the frequency of a is 0.6. What would be the frequency of heterozygotes if the population is in Hardy-Weinberg equilibrium?

  5. Why was the heterozygous condition for sickle cell favorable against malaria?

Index to Exams

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