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The AP Bio Midterm Exam

The AP Bio Midterm Exam. Tuesday 1/22/13 8AM. AP Midterm Exam Format. 24 True/False (36 pts. Total) 72 Multiple Choice (144 pts. Total) 2 Genetics Problems (40 pts. Total) 4 Short Answer Questions (30 pts. Total) 1 Full Essay (50 pts. Total) … and Extra Credit!

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The AP Bio Midterm Exam

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  1. The AP Bio Midterm Exam Tuesday 1/22/13 8AM

  2. AP Midterm Exam Format 24 True/False (36 pts. Total) 72 Multiple Choice (144 pts. Total) 2 Genetics Problems (40 pts. Total) 4 Short Answer Questions (30 pts. Total) 1 Full Essay (50 pts. Total) … and Extra Credit! Calculators Permitted / Formula Sheet Provided

  3. Multiple Choice • Some questions will be fact-based • Which of the following occurs during meiosis but not during mitosis? • A) separation of sister chromatids • B) cell division • C) crossing over of homologous chromosomes • D) breakdown of the nuclear envelope • E) lineup of chromosomes in the center of the cell

  4. Multiple Choice • Some questions will be fact-based • Which of the following occurs during meiosis but not during mitosis? • A) separation of sister chromatids • B) cell division • C) crossing over of homologous chromosomes • D) breakdown of the nuclear envelope • E) lineup of chromosomes in the center of the cell

  5. Multiple Choice • Some questions will ask you to apply your knowledge • 70% of earth’s population is lactose intolerant. The gene for lactose metabolism in intestinal cells is not expressed after the age of three. The majority of Europeans and US residents with European ancestry are lactose tolerant. Their intestinal cells continue to produce lactase throughout life. This mutation has been traced to a single G to C mutation approximately 14,000 base pairs upstream of the lactase gene.

  6. Multiple Choice • Some questions will ask you to apply your knowledge • The model that best represents the likely effect of the mutation is that the G to C change has:

  7. Multiple Choice • Some questions will ask you to apply your knowledge • The model that best represents the likely effect of the mutation is that the G to C change has:

  8. Multiple Choice

  9. Multiple Choice

  10. Multiple Choice

  11. Genetics Problems Hemophilia is a recessive sex-linked disorder that prevents blood from clotting properly. If a man with hemophilia has a child with a woman that does not have hemophilia, what are the overall odds that they will have a child with hemophilia? (You don’t have any further information on the woman’s background)

  12. Genetics Problems Hemophilia is a recessive sex-linked disorder that prevents blood from clotting properly. If a man with hemophilia has a child with a woman that does not have hemophilia, what are the overall odds that they will have a child with hemophilia? (You don’t have any further information on the woman’s background) Overall 2 in 8 (25%)

  13. Genetics Problems

  14. Short Answer An electrophoresis gel from the Sanger method produces the following results. Based on it, give the DNA sequence for the original strand of DNA.

  15. ddATPddCTPddTTPddGTP

  16. ddATPddCTPddTTPddGTP CGCAGCGATACT --- > GCGTCGCTATGA

  17. Full Essay

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