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MTEL Middle School Math/Science: 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. How do mutagens cause mutations?

Question 2 2. 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 3 3. The best term to describe the incorporation of a random mistake into the DNA sequence at a specific point is _____.

Question 4 4. A type of point mutation that alters the length of the DNA strand is _____.

Question 5 5. A shift in the reading frame is usually caused by an insertion or a

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Question 6 6. How would a shift in the reading frame likely alter the resulting protein?

Question 7 7. _____ mutations result in a longer DNA strand.

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

Question 10 10. A mutation in DNA can affect the amino acid sequence because it affects the code found in _____.

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Question 11 11. Why do people try to protect their skin from ultraviolet radiation?

Question 12 12. Mutagens are typically found _____.

Question 13 13. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 14 14. What kind of mutation causes sickle-cell anemia?

Question 15 15. An example of a transversion mutation is _____.

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Question 16 16. Which enzyme checks DNA for errors?

Question 17 17. Which type of mutation does NOT change the overall function of the protein?

Question 18 18. Based on the original sequence, ACTTGAC, which of the following answer choices includes a transition mutation?

Question 19 19. Which type of mutations can result in a frameshift?

Question 20 20. Tay-Sachs disease results from a buildup of harmful chemicals in the

MTEL Middle School Math/Science: 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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