新视野大学英语课件第三册课件unit8Legal and Moral Implications of Cloning.pptx

1、 Background situation:It was science fiction coning to life:With the success of cloning an adult mammal,a world with human clones was suddenly within reach.Para.1Responses to the general situation:Responses from the governments:Governments hurried to draft guide-lines for an unknown future and Presi

2、dent Clinton ordered a nationalcommission to study the relative issues.Some countries began examiningthe moral implications of cloning other species.(Para.2)Responses from scientistsetc.:like the Theory ofRelativity,the splitting of the atom,and the first space flight,cloning hasgenerated a long lis

3、t of difficult puzzles for scientists,politicians,andphilosophers.(Para.3)A list of puzzles or questions:6 puzzles are listed.Why would anyone want to clone a human being in the first place?There are two broad categories of situations in which people want to clone a human being.Paras.4&5 Would a clo

4、ned human be identical to the original?A cloned human is not identical to the original but most of the physical differences between originals and copies are so minor that detection of them would require a sophisticated laboratory.The only possible major difference is bearing children.This is a quest

5、ion of wait-and-see.Paras.8-10 Will it be possible to clone the dead?In theory at least it might be possible.Paras.6&7 What if parents decided to clone a child in order to harvest organs?For human beings,it would be psychologically harmful if a child sensed he was born simply as an organ donor,but f

6、or nonfatal organ transplants it seems acceptable.For animals used as organ donors,it is OK provided techniques are improved.Paras.11-13 How would a human clone refer to the donor of its DNA?It sounds reasonable to refer to the donor as“Most honored sir or madam”.But an editorial director of one dic

7、tionary prefers“original”and“copy”.Paras.14-16 What are the other implications of cloning for society?Genetic engineering will create a new(and disrespected)social class:“the clones”.Whether or not they were humans will cause debate.Paras.17&18 Conclusion:The list of questions could go on;people are just beginning to wonder about the future of the world after cloning.Para.19