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Genetic Variability & Mutation for the MCAT: Tutoring Solution Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. A type of point mutation that alters the length of the DNA strand is _____.

Question 2 2. Which best describes genetic variation?

Question 3 3. Which type of mutations can result in a frameshift?

Question 4 4. What organism did Boveri use to study chromosomes?

Question 5 5. Which is true about evolution?

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Question 6 6. A shift in the reading frame is usually caused by an insertion or a

Question 7 7. Hereditary Breast and Ovarian Cancer Syndrome (HBOC) _____.

Question 8 8. Tay-Sachs disease results from a buildup of harmful chemicals in the

Question 9 9. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 10 10. The best term to describe the incorporation of a random mistake into the DNA sequence at a specific point is _____.

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Question 11 11. _____ mutations result in a longer DNA strand.

Question 12 12. What kind of mutation causes sickle-cell anemia?

Question 13 13. Why do people try to protect their skin from ultraviolet radiation?

Question 14 14. A mutation in DNA can affect the amino acid sequence because it affects the code found in _____.

Question 15 15. Which is true about random mutations?

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Question 16 16. Mutagens are typically found _____.

Question 17 17. How are the work of Mendel and the work of Boveri and Sutton related?

Question 18 18. How do mutagens cause mutations?

Question 19 19. When can a genetic mutation get passed down through successive generations?

Question 20 20. Li-Fraumeni syndrome arises from a mutation in _____.

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Question 21 21. The eleventh amino acid of protein X should be serine, however due to a mutation it now has the amino acid alanine in that position. Which type of mutation could have caused this change?

Question 22 22. Which of these is NOT a clue for a family cancer syndrome?

Question 23 23. A disorder characterized by the inheritance of genetic mutations that increase the risk for development, especially early development, of a cancer is called:

Question 24 24. How would a shift in the reading frame likely alter the resulting protein?

Question 25 25. Which type of mutation does NOT change the overall function of the protein?

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Question 26 26. The theory that genetic material in living organisms is contained within chromosomes is known as:

Question 27 27. Which enzyme checks DNA for errors?

Question 28 28. According to which theory do the alleles of one gene sort into gametes independently of the alleles of another gene?

Question 29 29. Genetic variability describes which of the following?

Question 30 30. The combined observations of Boveri and Sutton showed all of the following EXCEPT:

Genetic Variability & Mutation for the MCAT: Tutoring Solution Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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