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Types & Effects of Genetic Mutations 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. Which of the following mutations would still allow protein X to be functional?

Question 2 2. How does a frameshift mutation in the gene coding for the enzyme, hexosaminidase A, result in Tay-Sachs disease?

Question 3 3. What kind of mutation causes sickle-cell anemia?

Question 4 4. How are the Tay Sachs and the Duchenne Muscular Dystrophy diseases different?

Question 5 5. An example of a transversion mutation is _____.

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Question 6 6. A type of point mutation that alters the length of the DNA strand is _____.

Question 7 7. A mutation in DNA can affect the amino acid sequence because it affects the code found in _____.

Question 8 8. Which enzyme checks DNA for errors?

Question 9 9. _____ mutations result in a longer DNA strand.

Question 10 10.

In point mutations, there are changes in one or a few nucleotides at a single location in a DNA sequence.

Which of the following is NOT a nucleotide?

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Question 11 11. Which of the following mutations would probably do the most damage?

Question 12 12. How do mutagens cause mutations?

Question 13 13. Which of the following chromosomal mutations would still allow protein X to be functional?

Question 14 14. What comprises genetic material?

Question 15 15. Why do people try to protect their skin from ultraviolet radiation?

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Question 16 16. What are conditional mutations?

Question 17 17. Mutagens are typically found _____.

Question 18 18. Which of the following statements accurately describes a mutation?

Question 19 19. _____ is used to describe a mutation in which one nitrogenous base is replaced by another.

Question 20 20. Which type of mutations can result in a frameshift?

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Question 21 21. Two individuals have a mutation in gene X but at different sites. The mutation affects the first individual adversely, and the second individual experiences no effect. Which of the following statements may explain this observation?

Question 22 22. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 23 23. Tay-Sachs disease results from a buildup of harmful chemicals in the

Question 24 24. Which type of mutation does NOT change the overall function of the protein?

Question 25 25. What are gain of function mutations?

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Question 26 26. What are mutations that result in DNA sequences that are slightly too long or too short called?

Question 27 27. Human genetic disease can be caused by what types of mutations?

Question 28 28. Which of the following situations will result in human disease due to a mutation?

Question 29 29. When can a genetic mutation get passed down through successive generations?

Question 30 30. How would a shift in the reading frame likely alter the resulting protein?

Types & Effects of Genetic Mutations 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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