Cloning Module 5 What animals have been cloned ?
Dolly Cloned monkeys First cloned mule First cloned cat First cloned horse Free talk 1.What is cloning ? 2.How can we clone something? Vocabulary and Reading
--Cloning and DNA Before Reading Read these words and decide which ones you are likely to see in the passage. possibly acid bacteriaembryos enzyme experience genehuman tissue organism plant psychologicalstem cell structure upbringing 1. DNA ? 2. Enzyme ? 3. A clone Fast-reading para 13 DNA the fundamental component of life enzyme chemicals formed in the body Dolly 5 a clone an organism which is genetically identical to another Fast-reading para 47 How many possible reasons for cloning are mentioned in the passage ? Four Careful-reading Para 1 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 had influenced the genetic make-up of the new plant. Careful-reading Para 2&3 Find the expressions DNA
Unzip the DNA Find the expressions DNA 3. 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 tocreat a whole individule. Careful-reading Para 4&5
Find the expressions valid reasons an optional treatment unknown psychological pressure choose apath in life possess new vices existingvirtues Valid reasons (advantages)
Disadvantages As an optional treatment for couples who find it difficult to have children A clone would be under unknown psychological pressure A clone may possess new vices instead of existing virtues reproduce the talents of exceptional people Careful-reading Para 6--8 rely on
Explain the expressions recover from a disease rely on at a crime scene repair human tissue a price cow restrict the biodiversity ofthe breed Valid reasons (advantages)
Disadvantages Embryos made from clones would be wasted which some people would find unacceptable. To obtain a supply of stem cells To rely on a few cloned animals or crops would restrict biodiversity To help farmers grow resistant crops. Discussion Is it right to clone human beings Conclusion Science is a two-edge sword. Role-play homework My View on Cloning
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