Reading(2)：Theperfectcopy.ppt

Unit3ScienceVersusNature,Welcome,Thefirstclonedmammal,Dolly,DollyandIanWilmut,DollywasthefirstclonedmammalcreatedbyaScottishscientistin1996.Shewasexactlythesameashermother,bothinappearanceandingenes.Shediedin2003becauseoflungdisease.,Whatdoyouknowaboutcloning?,?,“Cloning”isanewtechnologywhichproducesanexactcopyofananimaloraplantfromitsowncells.,Whatotherclonedanimalsdoyouknowabout?,?,Thepairofcalveswerebornon5July1998inJapan.TheyweretwoyearsyoungerthanDolly,beingthesecondadultanimalclonesintheworld.,calf,Apairofnew-bornclonedcalvesinacowshedinJapan,onJuly51998.TheywerebornexactlytwoyearsafterDolly.Theyarethesecondadult-animalclones,andwereproducedbyasimilartechnique.Aspokesmanfortheresearchcentresaidthenewtechniquewouldbeusedtobreedbettercattlestrainswithhigher-qualitybeeforgreatermilkcapacity.,Thesefemalepigsarealsocloned.TheyarebornonChristmasDay2001intheUSA.,Fiveclonedfemalepiglets,namedNoel,Angel,Star,JoyandMary-animportantsteptowardsknock-outpigs.TheywerebornonChristmasDay2001.Itissaidtobeamajorsteptowardssuccessfullyproducinganimalorgansandcellsforuseinhumantransplants.,ThekitteninthepictureiscalledCc.ItsnameisfromCopycat.,ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2001.,theworldsfirstclonedmuleIdahoGem,IdahoGem,theworldsfirstclonedmule,wasbornonMay4.Heisanidenticalgeneticcopyofhisbrother,achampionracingmulecalledTaz,andthefirstclonetobebornintheequinefamily.,Thenameisfrom“insertedDNA”speltbackwards.ThetechnologyisdifferentfromthatusedforDolly.,ANDi(insertedDNAspelledbackwards),thefirstgeneticallymodifiedmonkey,attheOregonregionalprimateresearchcentreinOregon,USA.ThebirthofANDi,thefirstmonkeyclonedbyembryosplitting,isanotherincrementalsteptowarddesigningandperfectingnewtreatmentsforhumangeneticdisorders.,TheclonedrabbitswereborninGuangxiUniversity.,Whatusesdoescloninghave?,Disccusion,Otheruses?,Theperfectcopy,Reading,Fastreading,ReadthetextquicklyandtrytofindanswerstothethreequestionsinpartAonPage42.,1.Both2.Dolly.3.Anti-cloning.,Listentothetextandfindoutthemainideaofeachparagraph.,Para1Para2Para3Para4Para5Para6,Anannouncementaboutthefirstclonedhumanembryocausedmuchdebate.,ThefirstclonedmammalwasDolly.,IanWilmutisshockedthatsomescientistsareconsideringcloninghumanbeings.,Awomanwantstohaveaclonedbaby.,Cloninghumanembryosisillegalinmanycountries,butsomescientistsstillwanttoclonehumanbeings.,Chinesescientistscontinuetoresearchwaysinwhichcloningcanbenefitmankind.,ReadingstrategyGothroughthereadingstrategy,andfindouthowtoworkoutthemeaningofthesescientificterms.,Detailedreading,LetsreadthenewspaperarticleandthetwolettersagainandcompletePartsC1.,Listenandanswerquestions:,Listening,Whatarethedifferentattitudestowardsthesuccessofcloningahumancell?,(2)WhatdoesIanWilmutintendtousecloningfor?,(3)Whoarethethreepersonsinthearticlerelatedtocloning?,(1)Valuabletissuesandorgansandorganscanbeproducedtosavehumanlives.Humanbeingsmaybeonthewaytoproducingareal-lifemonster.Somepeopleconsiderthatcloninghumanembryoswiththeintentiontodestroythemshowsnorespectforhumanlife.(2)Hethinksresearcheffortsshouldbeconcentratedoncreatingnewtissuesandorgansthatcouldeventuallybeusedtocurediseaseslikecancer.(3)SeverineAntinori,anItaliandoctor,whoisoneoftheleadersinthecloningresearch.FayeWilson,awomanof41yearsoldwhocannothaveababy.IanWilmut,aScottishscientistwhocreatedDollyandwasshockedwhenhearingsomescientistswereconsideringcloninghumanbeings.,Cloninghasbeenthesubjectofscientificexperimentsforyears.Therecentsuccessincloninganimalshasresultedinfiercedebatesbetweenscientists,politiciansandpublic.,Doyouthinkitwouldbeagoodideatoclonehumanssomeday?Whateffectsdoyouthinkhumancloningmighthave?,?,Discussion,Inmyopinion:,Ifchildlesscouplesareallowedtoclonethemselves-?,Ifthetechnologyismisusedorstolenbyevilpeople-?,ethical,dangerous,problems,disadvantages,advantages,Cautious!,Frankenstein,Frankensteinisascientist.Hecreatesamonsterbyexperiment.Themonsterwaskind,andreadytohelpothers.Butheisnotacceptedbythesocietyjustbecauseofhisuglyappearance.Peoplearoundhimrefusehiskindofferandturnhimdown.Someevendrivehimaway.Heiseagertogetloveandhappiness,butunfortunatelywhathegetsismercilesschasing.HeasksFrankenstein,thescientisttocreateafemalemonsterlikehimselfsohecanhaveacompany,butagainhewasrefused.Inallhislifehelivesamiserablelife.Atlasthecannotbearallthese.Hechoosestoavengehumans.Atlasthediestogetherwithhiscreator,Frankenstein.,Somepeoplebelievecloningtechnologycanbeusedtocurethepatientswithgeneticdiseasesandsavealotofpeopleslives.However,otherpeopleinsistthatcloningtechnologywillcauseethicalproblemandviolatehumanrights.Noonecanpredicthownegativetheconsequencescouldbe.Wehavetotakeacautiousapproach.Idontthinkitsagoodideatoclonehumanseventhoughwemighthavetheabilitytodosointhefuture.Therearedifferentreasonsifyouapproachtheissuefromdifferentangles.Fromtheethicalpointofview,Ibelievethedisadvantagesofproducingclonedanimalsoutweightheadvantages.Ifnothandledproperly,greatconfusioncouldarise.Peoplecoulden