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Genetic Mutations: Homework Help 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. How do mutagens cause mutations?

Question 2 2. _____ mutations result in a longer DNA strand.

Question 3 3. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 4 4. Which enzyme checks DNA for errors?

Question 5 5. Mutagens are typically found _____.

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Question 6 6. Why do people try to protect their skin from ultraviolet radiation?

Question 7 7. 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 8 8. How does a frameshift mutation in the gene coding for the enzyme, hexosaminidase A, result in Tay-Sachs disease?

Question 9 9. How would a shift in the reading frame likely alter the resulting protein?

Question 10 10. Which type of mutation does NOT change the overall function of the protein?

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Question 11 11. Tay-Sachs disease results from a buildup of harmful chemicals in the

Question 12 12. A mutation in DNA can affect the amino acid sequence because it affects the code found in _____.

Question 13 13. Based on the original sequence, ACTTGAC, which of the following answer choices includes a transition mutation?

Question 14 14. A shift in the reading frame is usually caused by an insertion or a

Question 15 15. What kind of mutation causes sickle-cell anemia?

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Question 16 16. The best term to describe the incorporation of a random mistake into the DNA sequence at a specific point is _____.

Question 17 17. A type of point mutation that alters the length of the DNA strand is _____.

Question 18 18. When can a genetic mutation get passed down through successive generations?

Question 19 19. An example of a transversion mutation is _____.

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

Genetic Mutations: Homework Help 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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