Name____________________________________________ Ms. Sameroff Objective: DO DONOW NOW Class__________ Date______________ SWBAT define mutations and describe the different type of mutations SWBAT describe the effects mutations can have on genes VOCABULARY ACTIVITY #1 Activity #2 Exit DO NOW Vocabulary- Use your worksheet to define the words below (definitions can be found on page 1&2) Mutation (page 1) Mutagen (page 2) ACTIVITY #1 DIRECTIONS: Read the passages from the text. Then, summarize the MAIN IDEA and record it in the cloud. Finally, answer the questions that follow. 1 QUESTIONS 1. When is a mutation helpful? __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 2. Why is a mutation in a body cell not passed on to offspring? __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 3. What is a mutation __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ ACTIVITY #2 2 6. Explain: How does UV light damage DNA? _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ Using the given graphic organizer, fill in the missing information to complete the concept. Mutation Description _____________ involves the loss of all or part of the structure of chromosome. _____________involves a mutation causing replacement of a single base nucleotide with another nucleotide of the genetic material. _____________ involves one or more base pairs added to a sequence. 3 EXIT TICKET After the lesson, now I understand… Something I still need help with… 4 5 EXIT TICKET After the lesson, now I understand… ___________________________________________________________________________________________ ___________________________________________________________________________________________ Something I still need help with… ___________________________________________________________________________________________ 6