资源描述:
《全新版综合英语3 human cloning-a scientist27s story》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、HumanCloning:AScientist'sStoryIwasextremelyclosewithmymotherallmylife.Shewasabrillianteducator,writerandwonderfulwoman.Sadly,shedevelopedcomplicationsrelatedtodiabetes.Whenshelosthereyesightandmostofherabilitytowalk,itwasabsolutelyhorrifyingforme.Shepassed
2、awayfromafallsevenoreightyearsago.Atherfuneral,IsworethatonedayI'ddosomethingaboutconditionslikehers.YearspassedandIreadaboutthework.theSouthKoreanshaddonewithstemcells.InandHwangWoo-Sukfraudulentlyreportedthathehadsucceededincreatinghumanembryonicstemcell
3、sbycloning.Backthenitwasn'tknownitwasafraud,soitwasveryexcitingtothinkthatalonglistofdiseasescouldbetreated.IfoundedthestemcellresearchcompanyStemagenwithanothergentlemanwhosefatherhaddiedofALS.Wewentoutfordrinksonenightandwestartedtalkingaboutourparents.W
4、ewantedtodosomethingthatwouldbealegacyforthem.ForBetterOrWorse?ThemomentwedecidedtostartStemagen,Ireadalltherewastoreadaboutthevariouscloningeffortsinthepast.TheclonedsheepDollyinwasveryinteresting,butatthatstagepeoplewerenotfocusingonthestemcellaspectofcl
5、oning;theywerefocusingonthereproductivepossibilitiesofcloning.Humanreproductivecloningisjustsimplywrongethicallyfromamedicalstandpointandascientificstandpoint,evenignoringanyreligiousissuesassociatedwithit.Thereasonisthatthemajorityofreproductiveclonesinot
6、herspeciesareactuallyabnormal,withveryhighmiscarriagerates,veryhighstillbirthrates,fetalanomalies,deathsoonafterbirth,etcetera.Itwouldjustbeabsolutelywrongtotakeahumanbeingandputthemthroughwhatmaywellinvolvesignificantsufferingforreallynogoodend.Eventhough
7、peoplecouldtakethetechniquesthatwe'vedevelopedandattempttodoit(orperhapsevenbesuccessfuldoingit),wehopethattheywouldnot.Ontheotherhand,therapeuticcloningdoesnotinvolveanytypeofrisktohumanlifeandactuallyprovidestremendouspotentialforthereliefofsufferinginre
8、alhumanbeingswhoaregoingthroughsomeawfulthings.I'mapurescientistinsomeways,andIknowthatmanydifferentstudiesorfindingscouldbeusedforevil.Ourjobasscientistsistomakethemostofthistechnologyandmakeitavailabletothe