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DNA Lesson 3: Part 1 I can… describe how DNA becomes the traits using RNA I can… define mutations and give 3 types I can… describe some harmful mutations in humans I can… explain the three possible outcomes of mutations. Mutations • Changes in the number, type, or order of bases on a piece of DNA. 3 Types of Mutations • Use page 94 in your book to fill in your notes about the 3 types of mutations. You must include the definition and a relevant picture. – Substitution: – Insertion: – Deletion: What are the 3 possible consequence • What are the 3 possible consequences to changes in DNA? • 1. Improved Trait • 2. No Change • 3. Harmful Trait How do mutations happen? • Watch the following videos and read page 94 “How Do Mutations Happen” in your book to write a 3 sentence explanation of how mutations happen. • http://tinyurl.com/HowMutHappen • http://tinyurl.com/MutesHappen An example of Substitution • Use online resources to research a mutation. That is listed below. Provide a description that includes at least four things about the mutation/condition. Include what sort of mutation causes the condition. Include a COLORED Drawing with your information. COMPLETE THIS ON THE BACK OF YOUR NOTES. • • • • • • • SICKLE CELL DISEASE HEMOPHILIA DIABETES FAMILIAL ALS SCID (“PLASTIC BUBBLE” SYNDROME) HUNTINGTON’S DISEASE NEUROFIBROMATOSIS