Genetics Unit Lesson One: The Cell Cycle, Mitosis, and Meiosis Teacher: Katy Yam Grade and Subject: 10th Grade Biology I. Purpose - Life is a cycle of life and death. To better understand how life is recreated, one should learn how genetic material is passed at the cellular level of life. Cell growth and division occurs through the processes of mitosis (somatic cells) and meiosis (gamete formation). By examining these mechanisms, one can then begin to realize how genetic variation can occur. - Corresponding SOLS: i. BIO.6- The student will investigate and understand common mechanisms of inheritance and protein synthesis. Key concepts include: 1. (a) Cell growth and division 2. (b) Gamete formation 3. (c) Cell specialization ii. Computer Technology SOL: Grades 9-12 Social and Ethical Issues 1. C/T 9-12.4 The student will practice responsible use off technology systems, information, and software. a. Adhere to fair use and copyright guidelines. b. Adhere to the school division’s Acceptable Use Policy as well as other state and federal laws. c. Model respect for intellectual property. 2. C/T 9-12.5 The student will demonstrate knowledge of technologies that support collaboration, personal pursuits, and productivity. a. Respectfully collaborate with peers, experts, and others to contribute to an electronic community of learning. b. Model responsible use and respect for equipment, resources, and facilities. Problem-solving and Decision-making Tools 1. C/T 9-12.8 The student will use technology resources for solving problems and making informed decisions. c. Use technology resources such as educational software, simulations, and models for problem-solving, and independent learning. II. Objective - Students will be able to: i. Describe all steps of mitosis and meiosis through selected reading material, lecture, and puzzle/ game activities ii. Understand the Cell Cycle through an internet activity iii. Determine what types of cells are reproduced through each process (somatic and gametes) through selected reading material, lecture, and games iv. Understand how genetic variation can occur throughout each process through lecture and an internet activity III. Procedure - Preparation (Day 1) i. Students will get into groups of 4 ii. The teacher will hand out a set of puzzles (1 puzzle on mitosis and 1 on meiosis) to each group iii. Each group must put the puzzles in the right order to the best of their ability using their previous knowledge- Approximately 20 minutes will be given for the activity iv. After the allotted time period for the puzzle activity is over, each group will write down the order of mitosis and meiosis that they have agreed upon. They will use this as a comparison to what they learn from their reading. - Assistance (Day 1/ Day 2) i. Following the preparation activity, students will be given reading material covering the cell cycle, mitosis, and meiosis: Reading selections derived from- http://www.estrellamountain.edu/faculty/farabee/biobk/BioBookmeiosis.html ii. A set of handouts will accompany the reading material that will allow students to draw and write down the steps of mitosis and meiosis. iii. After the students have completed the reading, the teacher will discuss the handout with the students to make sure they have filled in the information correctly. - Reflection (Day 3) i. Students will be taken to the computer lab to complete the “Cell Cycle Internet Activity” as outlined on the corresponding handout. If the lab is not available and the classroom has a few computers, students will work in groups to complete the activity. ii. After discussing the internet activity, students will get back into their original “puzzle” groups. iii. Each group will be given the original puzzles to put together again. 1. Students will not be allowed to use any notes to put the puzzles in the correct order. 2. The first group to get the puzzles in the right order will be given 5 extra credit points on the next test. iv. At the beginning of the following class, students will take a 10 question quiz on the instructor’s Quia website; students will be given the password on the day of the quiz: http://www.quia.com/pages/kyamsbiology.html IV. Tools and Resources - Software: Internet - Hardware: Computers - Web Sites: Students can use the following Quia games that the instructor has created as review activities- i. http://www.quia.com/pp/52668.html ii. http://www.quia.com/hm/242997.html iii. http://www.quia.com/rr/151251.html - Other materials needed: iv. Mitosis/ Meiosis Puzzles v. Mitosis/ Meiosis Study guides vi. Cell Cycle/ Mitosis/ Meiosis Reading Selection vii. Cell Cycle Internet Activity handouts V. Technology Preparation - Instructional Environment Set-Up i. 5 computers will be located at a work station in the back of the room - Technology/ Classroom Management Strategies i. 5 students for a given period of time will work on the computers while the rest of the class works on a given activity or groups of students will work at each computer. ii. The instructor will reserve time in a school computer lab. - Prerequisite technology skills needed by students i. Basic knowledge of using the Internet ii. Basic computer skills (e.g., typing) VI. Assessment - Mitosis/ Meiosis Puzzle Quiz: The total score will be the number correct out of 11 pieces and will count towards the total quiz grade for the marking period. - Mitosis/ Meiosis Study Guides and the Cell Cycle Internet Activity will be checked for completion only; these will be included in the homework grade for the marking period. - Quia quiz: The total score will be the number correct out of 10 and will count towards the total quiz/ test grade for the marking period.
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