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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 "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 can the wrong amino acid be added during translation?

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Question 2 2. What might a nonsense mutation in the mRNA result in?

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Question 3 3. Which mutated molecule would affect mRNA?

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Question 4 4. What is a mutagen?

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Question 5 5. Which number of base pairs in an insertion mutation would cause a frameshift?

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Question 6 6. What might a splicing error removing two bases in an exon result in?

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Question 7 7. What is an efficient way of causing multiple mutations in a bacterial cell?

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Question 8 8. What is a mutation?

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Question 9 9. Which is an example of a transversion?

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

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Question 12 12. 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?

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Question 13 13. Which type of mutation does NOT change the overall function of the protein?

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Question 14 14. _____ mutations result in a longer DNA strand.

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Question 15 15. A type of point mutation that alters the length of the DNA strand is _____.

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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 _____.

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Question 17 17. An example of a transversion mutation is _____.

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Question 18 18.

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

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Question 20 20. What are mutations that result in DNA sequences that are slightly too long or too short called?

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Question 21 21. Part of a normal DNA sequence is TACCGG. If this sequence undergoes a base substitution, out of the possibilities given identify the sequence that could be a possible result.

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Question 22 22. How would a shift in the reading frame likely alter the resulting protein?

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Question 23 23. Which type of mutations can result in a frameshift?

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Question 24 24. How does a frameshift mutation in the gene coding for the enzyme, hexosaminidase A, result in Tay-Sachs disease?

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Question 25 25. The deletion of a base in the DNA strand will _____.

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Question 26 26. Mutagens are typically found _____.

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Question 27 27. When can a genetic mutation get passed down through successive generations?

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Question 28 28. Which enzyme checks DNA for errors?

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Question 29 29. How do mutagens cause mutations?

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Question 30 30. What kind of mutation causes sickle-cell anemia?

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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 "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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