Unit9 Human Biology Lesson 1 To Clone or Not to Clone 课件-2023-2024学年高中英语北师大版（2019）选择性必修第三册

Unit 9 Human Biology Lesson1 To clone or not to clone? Period 2 Journey to the West What do you know about cloning? Use the words and phrases to help you. cell species to edit genes identical genes to develop artificially to make an exact copy of to break the technical barrier to produce animal models What do you know about cloning? Use the words and phrases to help you. 1.Cloning can be used to edit genes. 2.Cloning can create identical genes. 3.Cloning can make an exact copy of an animal. 4.Scientists have broken lots of technical barriers when studying cloning. 5.We‘ve cloned several species like sheep,cattle and dogs. 6. Scientists want to produce animal models that are helpful for medical research. Look at the title and pictures. Make predictions about the text. While-reading To clone or not to clone? What would you write if you were invited to write such a passage? opinions what development Step3 While-reading 1.Read for general understanding and finish two tasks. (1) Read the text quickly and check your prediction. (2) Draw a mind map/the graphic organiser of the passage. To clone or not to clone 5 How is the text organized? Please draw a structural map. cloning Definition Natural cloning first cloning First-cloned primates positive and negative opinions writer’s attitude Cloning 1. Definition 2. Natural cloning 3. First cloning 4. First-cloned primates 5. Positive and negative opinions 6. Writer’s attitude Draw a structual map to show how the paragraphs are organised. To clone or not to clone Para 1 Para 2-3 Para4- 5 Para 6 Definition Natural cloning P2: cloned mammals Artificial cloning P3: cloned primates Positive opinions &Moral concerns Conclusion Draw a structual map to show how the paragraphs are organised. To clone or not to clone Para 1 Para 2-3 Definition Natural cloning P2: cloned mammals Artificial cloning P3: cloned primates 3.What was the first cloned mammal? What happened to her? 4.How has the science of cloning dev