【求一篇英语文章,关于克隆人的求一篇英语文章,克隆人的利与弊-查字典问答网
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  【求一篇英语文章,关于克隆人的求一篇英语文章,克隆人的利与弊100字左右,不要太长的(当然,也不能太短)】

  求一篇英语文章,关于克隆人的

  求一篇英语文章,克隆人的利与弊

  100字左右,不要太长的(当然,也不能太短)

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2020-08-19 21:57
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蒋晓京

  OnJanuary8,2001,scientistsatAdvancedCellTec­hnology,Inc.,announcedthebirthofthefirst­cloneofanendangeredanimal,ababybullgaur(alargewildoxfromIndiaandsoutheastAsia)namedNoah.AlthoughNoahdiedofaninfectionunrelatedtotheprocedure,theexperimentdemonstratedthatitispossibletosaveendangeredspeciesthroughcloning.

  ­

  ­Cloningistheprocessofmakingageneti-callyidenticalorganismthroughnonsexualmeans.Ithasbeenusedformanyyearstoproduceplants(evengrowingaplantfromacuttingisatypeofcloning).Animalcloninghasbeenthesu­bjectofscientificexperimentsforyears,butgarneredlittleattentionuntilthebirthofthefirstclonedmammalin1997,asheepnamedDolly.SinceDolly,severalscientistshaveclonedotheranimals,includingcowsandmice.Therecentsuccessincloninganimalshassparkedfiercedebatesamongscientists,politiciansandthegeneralpublicabouttheuseandmoralityofcloningplants,animalsandpossiblyhumans.

  Inthisarticle,wewillexaminehowcloningworksandlookatpossibleusesofthistechnology.

2020-08-19 22:01:19

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