高中英语 Module 2 DNA- the Secret of Life课件 外研版选修9 课件VIP免费

INTRODUCTION[Vocabularyandspeaking]Matchthewordandphrasesintheboxwiththeirmeanings.takeafter1.tohavesimilarphysicalfeaturesassomeoneelse2.tobesimilartoanolderpersoninyourfamilyinappearanceorpersonality3.aformalwordmeaningtohavesimilarphysicalfeaturesassomeoneelselooklikeresemble1.Whodoyoulooklike,yourmotheroryourfather?Explainhowyouresemblehim/her.2.Whodoyoutakeafterinyourpersonality?Workinpairsanddiscussthequestions.Completethesentencesaboutthebodywiththewordsinthebox.celldiseasesenvironmentgendergeneticsidenticaltwin1.Somethingthatisfoundinalllivingthingsisa________.2.A______isoneoftwochildrenbornatthesametimetothesomemother.3.__________isthestudyofgenes.4.Some__________areinheritedbutnotallofthem.celltwinGeneticsdiseases5.The_______ofachildiswhetheritisaboyoragirl.6.Twinswhoare_________haveexactlythesamegenes.7.The____________aswellasourgenesmakesuswhoweare.genderidenticalenvironmentWorkinpairsDiscusswhichcharacteristicsyouhaveinheritedfromyourparentsandwhichcharacteristicsareformedbyyourenvironment.Usethewordsinthebox.eyesighteyecolorgenehealthheightintelligenceweightpersonalityReadparts1and2ofthepassageandanswerthequestions.Part1WhydidWatsonandCricksay,“Wehavediscoveredthesecretoflife?”Becausetheyhadfoundtheanswertooneofthemostimportantquestionsofbiology---howdolivingthingsreproducethemselves?WhydidthediscoveryofDNAisveryimportant?ThediscoveryofDNAhasbeencalledthemostbiologicalworkofthelast100years.Ithasalreadyhadandwillcontinuetohaveanenormousinfluenceonourlives.Wehavealreadyexperiencedthebenefitsinmanyyears.StoryADNAtestingwasmadeastandardprocedureincriminalinvestigations.StoryBUsingatechnologycalledgeneticengineering,acouplehadahighlyintelligent,good–lookingbaby.StoryCHavingbeeninsertedananimalgene,Markwonallhisraces.StoryDHavingbeentestedthattheunbornchildwouldhaveaterrible,inheritedillness,thecoupledecidedtogetridofit.Part3DoyouthinkstoriesA—Dinpart2aretrue?StoriesAandDhaveactuallyhappenedmanytimes.StoriesBandCwillbecomepossibleinthenearfuture.Whatwillgeneticengineeringhelpscientiststodointhenearfuture?Thenewtechnologyofgeneticengineeringmeansthatscientistswillsoonbeabletoinsertnewgenesintounbornbabies,childrenoradults.Whatwillhappenifwestartchoosingthecharacteristicsofourbabies?Wearealteringnatureinaverydirectway.Whatmighttheconsequencesbe?Itispossiblethatwewillcreatetwokindsofpeople,geneticallyengineeredpeopleandordinarypeople.commitamurdercouplehereditaryperformanoperationpregnantquestionreproducevictim1.…howdolivingthingsreproducethemselves?Thismeans___________.(a)tohavebabiesorproduceyoungplants(b)tofeedthemselves.2.…ourgenes,whichpasshereditarycharacteristicsontoourchildren.Thismeans___________.(a)new(b)inheritedfromparents.(a)(b)commitamurdercouplehereditaryperformanoperationpregnantquestionreproducevictim3Althoughthepolicequestionedhim…Thismeans___________.(a)towonderaboutsomeone(b)toasksomeonequestions4Butwhenhecommittedthemurder…Thismeans___________.(a)killedtheman(b)sawthedeadman.5.…watersleftsomeofhisowncellsonhisvictim.Thismeans___________.(a)thepersonheattacked(b)hisownclothes(b)(a)(a)commitamurdercouplehereditaryperformanoperationpregnantquestionreproducevictim6Aboutsixmonthsago,Marksecretlyvisitedasurgeon,whoperformedanoperationonhim.Thismeans________(a)Markhadanoperation(b)thesurgeonsaidMarkshouldhaveanoperation7.DamianPetersonandhisw...