《分生组织》PPT课件

《《分生组织》PPT课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、BR1.Out-of-classResearchProject2.ListenandAnswer3.BackgroundInformationCloneBeforeReadingGeneticEngineeringNarcissusPrometheusJuliusRobertOppenheimerHiroshimaNagasakiBR（ORP）Out-of-classResearchProjectTheresearchprojectshouldbeassignedattheendofthepreviousunit.Studentsformgroupstousel

2、ibraryresourcesandInternetresourcestogetanswerstothefollowingquestions.1.Whatiscloning?2.Giveabriefhistoryofthescientificresearchintocloning.3.Whatarethemajorprosandconsofhumancloning?4.Duringyourresearch,whatnewvocabularyitemshaveyoucomeacrossthatarerelatedtocloning?BR（LA1）Listenand

3、Answer1.WhatdoesProf.Greelythinkofhumancloning?Wemustdistinguishdifferenttypesofhumancloning.Somearejustified;othersarenot.2.Whatisthegreatestproblemwithhumanreproductivecloning?Safety.ListentotheinterviewandanswerthefollowingquestionsaccordingtoProf.Greely.■BR(LA2)ListenandAnswerLis

4、tentotheinterviewandanswerthefollowingquestionsaccordingtoProf.Greely.3.Whataretheproblemswithahumanclone?Theremaybecellchangesthatareinitiallyinvisibleandonlyshowthemselvesasthecloneages.There’salsoaproblemwiththeendsofchromosomesincells,whichshortenuntilthecellscannolongerreproduce

5、.BR（LA3）4.Inwhatsituationscanweusecloning?Firstly,helpingparentswhoarehavingdifficultyhavingchildrenwouldbeonearea.Secondly,parentswanttocreateanewchildtobeabonemarrowdonorforanoldersickchild.Anothersituationiscloningachildwhohasaccidentallydied.ListenandAnswerListentotheinterviewand

6、answerthefollowingquestionsaccordingtoProf.Greely.5.WhataboutcloningaHitlerorMichaelJordan?Wecandismissthoseasbadorevensillyapplications.BR（LA4）ListenandAnswerListentotheinterviewandanswerthefollowingquestionsaccordingtoProf.Greely.6.Isthereanythingelseaboutthefutureofhumancloning?Ev

7、enifcloninghumansweresafeandweasasocietyhaddecideditwasrightandproperforreproductivepurposes,Idon’tthinkwe’dseealotofclones.Theold-fashionedwayofmakingbabieshasalotgoingforit:It’seasy,traditional,wellunderstood,andoccasionallyevenpleasant.BR(LA5)■ListenandAnswerListentotheinterviewan

8、danswerthefo