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1、Module 5,Cloning,What animals have been cloned ?,Dolly,First cloned mule,Cloned monkeys,First cloned horse,First cloned cat,1.What is cloning ? 2.How can we clone something?,Free talk,Vocabulary and Reading,-Cloning and DNA,Read these words and decide which ones you are likely to see in the passage.
2、,acid bacteria embryos enzyme experience gene human tissue organism plant psychological stem cell structure upbringing,Before Reading,（possibly）,1. DNA ? 2. Enzyme ? 3. A clone ？,Fast-reading,para 13,DNA,the fundamental component of life,enzyme,chemicals formed in the body,a clone,an organism which
3、is genetically identical to another,How many possible reasons for cloning are mentioned in the passage ?,Fast-reading,Four,para 47,Careful-reading,1. who discovered the structure of DNA? When ? 2. What did Mendel understand in 1866 ？,1953,Watson and Crick,He understood that both the parent plants ha
4、d influenced the genetic make-up of the new plant.,Para 1,Careful-reading,Find the expressions 解码DNA 截取一段序列的基因 3. 把它们插入宿主细胞,Unzip the DNA,Cut out a sequence of genes,Insert them into the host cell,How can we clone something ? Cloning takes the DNA from a single cell to creat a whole individule.,Para
5、 2&3,Careful-reading,Find the expressions 正当的理由 可供选择的治疗方法 未知的心理压力 选择人生道路 拥有新的缺点 原有的美德,valid reasons,an optional treatment,unknown psychological pressure,choose a path in life,possess new vices,existing virtues,Para 4&5,As an optional treatment for couples who find it difficult to have children,A clo
6、ne would be under unknown psychological pressure,reproduce the talents of exceptional people,A clone may possess new vices instead of existing virtues,Careful-reading,Explain the expressions recover from a disease 修复人体组织 一只优选奶牛 rely on 限制生物品种的 多样性 at a crime scene,repair human tissue,a price cow,依靠，
7、依赖,restrict the biodiversity of the breed,在犯罪现场,Para 6-8,从疾病中康复,To obtain a supply of stem cells,Embryos made from clones would be wasted which some people would find unacceptable.,To help farmers grow resistant crops.,To rely on a few cloned animals or crops would restrict biodiversity,Is it right
8、to clone human beings ？,Discussion,Conclusion,Science is a two-edge sword.,Role-play,homework,Surf the Internet to find more information about cloning and write a composition : My View on Cloning,Tips,You can write as follows: 1. Are you for or against cloning? 2. Give your reasons. Use these words: “firstly secondly lastly” 3. Give examples to support your idea. You can see the example on P 66,
