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1、播视频短片LegalandMoralImplicationsofCloningUnit8SectionAContentsALead-inBWhile-readingCTextStudyDEWritingExercisesFFurtherDiscussionCloning,asitsnameimplies,isthegenetictermforproducinganexactcopyofananimalorplantbydevelopingartificiallyacellfromit.ButthebirthofDolly,amammalclone,islikesettingthecat
2、amongthepigeons.Lead-inClonedAnimalsWhatanimalsdoyouknowhavebeenclonedsofar?ClonedAnimalsDollyDolly(July5,1996–February14,2003),aewe,wasthefirstmammaltohavebeensuccessfullyclonedfromanadultcell.ShewasclonedattheRoslinInstituteintheUnitedKingdomandlivedthereuntilherdeathwhenshewas6.TheProcessofH
3、umanReproductionTheProcessofHumanCloning(theoretically)I.ComprehensionQuestions1.WhydidthebirthofDollybecomethefocusofworldopinion?2.Whatcouldcloningreallydoforus?3.Whataretheargumentsforhumancloning?4.Whataretheargumentsagainstcloning?1.WhydidthebirthofDollybecomethefocusofworldopinion?Becausei
4、tstoodforabigbreakthroughinthegeneticengineering;Becauseitbecamepossibletoclonehumanbeings;Becauseitwasadeformedproductofscience;2.Whatcouldcloningreallydoforus?AlthoughthebirthofDollycausedquiteastirintheworld,thescientistsworldwideneverstoppedtheireffortstoclonemoredifferentmammals,suchaspigs,
5、cows,goats,dogs,etc.Formedicalpurposes,suchascloninganimalmodelsofdisease,…2)Forthepurposeofrevivingendangeredorextinctspecies,soasto…3)Forthepurposeofreproducingadeceasedpet.Forexample,…4)Forthepurposeofcloninghumans,but…3.Whataretheargumentsforhumancloning?Fromthepassagewehavejustheard,wecante
6、llthatthepersonconcernedisstillunsureaboutwhethersheshouldhaveacloneornot.Ifshehadaclone,ontheonehand,shewouldenjoymorefreedom;butontheother,shewouldmisssomethingexclusivetoher.Mynextquestionis:Morepossibilityofcreatingahumanrepairkit;2)Morechancesofraisinganidenticalchildafteranunfortunatedeath
7、;3)Morehopeofmeetingthedesireofinfertilecouplesforchildren;4.Whataretheargumentsagainstcloning?Violationofnaturebydestroyingthenormalreproductiveprocess;2)Potentialthreattothediversityofhumansocieties;3)Possibilityofcreating