13.3 Mutations - Bainbridge High School

13.3 Mutations NAME_________________________________________________________PERIOD________________ 13.3 Mutations I. Go to www.biology.com and login using Bainbridge/biology#1. Click on Explore, Unit 4 Genetics, Chapter 13 RNA & Protein Synthesis, 13.3 Mutations, Lesson Overview-START and begin reading and answering the questions below. II. Questions: 1. What are the sequence of bases in DNA? _______________________________________________________ 2. What are mutations? _______________________________________________________________________ 3. Where do we derive the term mutation? _______________________________________________________ 4. What are the two categories that mutations fall into? _____________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ 5. Define a Point Mutation: ____________________________________________________________________ ___________________________________________________________________________________________ 6. When do point mutations generally occur? _____________________________________________________ 7. Name the 3 types of point mutations? _________________________________________________________ 8. What type of point mutation is displayed below? ___________________________What affect does this mutation have on the final outcome of the amino acid being made? ___________________________________ ___________________________________ ___________________________________ ___________________________________

___________________________________ 9. Define a frameshift mutation: __________________________________________________________________________________________ __________________________________________________________________________________________ 10. Describe a chromosomal mutation: __________________________________________________________ __________________________________________________________________________________________

13.3 Mutations 11. Describe what the following diagram is illustrating: _____________________ __________________________________________________________________ __________________________________________________________________ 12. Give an example of what you think an chromosomal mutation might be for a human? _________________ __________________________________________________________________________________________ 13. What are the 4 different types of chromosomal mutations? _______________________________________ ___________________________________________________________________________________________ 14. How do mutations create variation? __________________________________________________________ ___________________________________________________________________________________________ 15. How does stress increase the chance of mutation rates in humans? _________________________________ ___________________________________________________________________________________________ 16. Describe what a chemical mutagen is:_________________________________________________________ ___________________________________________________________________________________________ 17. Describe a physical mutagen: _______________________________________________________________ 18. How do mutagens affect DNA? ______________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ 19. Why might mutations be a healthy part of the developmental process of living species? ________________ ___________________________________________________________________________________________ 20. Why might some mutations be dangerous to the developmental process of living species? ___________________________________________________________________________________________ ___________________________________________________________________________________________ 21. Describe Sickle Cell Anemia and name the type of mutation that causes this disease. __________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________