Cloning-reading教学课件【A3演示文稿设计与制作】

ReadingCloning:WhereisitLeadingus?CloneNaturalcloneMan-madecloneNaturalcloneisonethatoccursfromthe“parent”inanaturalformofcloningwithouthumanhelp.Man-madecloneisoneproducedthroughhumanintervention(介入).

naturalclonesman-madeclonesman-madeclones克隆的荧光小猪(左)和正常小猪(右)Dolly是世界上第一例用体细胞─乳腺上皮细胞,通过细胞核移植技术,在复杂的人工操作下,得到的一只小绵羊

。In1996,asheepcalledDolleywasborn.Itisthefirstmammal(哺乳动物)tobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.DollyandtheFatherofDolly–IanWilmut(伊恩·威尔姆)1996Dolly&herdaughter我国成功繁殖克隆兔

体形要比普通兔大许多2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔。第一只克隆宠物猫克隆马及其“母亲兼姐姐”Inpairsdiscusswhatyouunderstandaboutcloning.Checkouttowhatdegreeyouknowaboutcloning.Pre-readingQuestionsaboutcloning1.Whatisaclone?2.Howisacloneproduced?Howisacloneproduced?1.Whatisaclone?克隆的基本过程是先将含有遗传物质的供体细胞的核移植到去了细胞核的卵细胞中，利用微电流刺激等，使两者融为一体，然后促使这一新细胞分裂繁殖发育成胚胎，当胚胎发育到一定程度后，再被植入动植物子宫中使动物怀孕，便可产下与提供细胞者基因相同的动物。Acloneisananimalorplantproducednaturallyorartificiallyfromthecellsofanotheranimalorplantandisexactlythesameasit.3.Whatbenefitscanhumansgainfromcloning?1)Medicalcloningcanhelpcureseriousillnessesthatruinone’squalityoflife(suchasParkinson’sdisease帕金森症orAlzheimer’sdisease老年痴呆症).2)Itcanhelpinfertile(不能生育的）peoplehavebabies.4.Whatproblemsmayarisewhenhumansarecloned?1)Peoplemaywanttoclonethemselvessotheycanliveforever.2)Peoplemaywanttoclonedeadchildren.3)Peoplemaywanttoclonetheirfavoritepets.ComprehendingSkimming:matchthemainideawitheachparagraph（段落大意连连看）A.Twomajorusesandtheprocedureofcloning.B.ThedefinitionofcloningC.TheeffectofDollythesheep.D.Itisforbiddentoclonehumanbeings.E.Theproblemofdollythesheep.Para.1Para.2Para.3Para.4Para.5_________________________________________________1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.Naturalcloneshappeninanimalsaswellasinplants.

Scanning(Pare1-2):TorFIthappensbothin________andin

_______.Theycanbeclonedby__________and________.plantsanimalsthemselveshumansNatural

cloneMan-made

clonePara1:ThedefinitionofcloningDetailedreading:1.Whatarethetwomajorusesofcloning?

Firstly,…commercial…Secondly,…researchon/upon/into…2.Whyisiteasiertomakecommercialplantclonesthananimalclones?Para2:ThemajorusesandproceduresofcloningAsk&Answer1.Whatarethetwomajorusesofcloning?Thefirstuseistoproducecommercialquantitiesofplants.Thesecondistoresearchonnewplantsspeciesanddomedicalresearchonanimals.2.Whyisiteasiertomakecommercialplantclonesthananimalclones?Cloningplantsisstraightforward,butthecloningofanimalsisverycomplicated.Whatisthe“breakthrough”?

thecloningofDollythesheep2.Whatmadethescientistspayoff?determination&patience3.WhenwasthecloningofDollythesheepborn?4.Howmanyfemalesheepparticipateinthecloningofanewsheep?3Para2:TheproceduresofcloningIn1996________isusedintheprocedure forcloningDollythesheep. A.ThenucleusofSheepA B.ThesomaticcellofSheepA C.ThenucleusofSheepB D.TheembryoofSheepC1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.Naturalcloneshappeninanimalsaswellasinplants.

FTFScanningTorFTTAboutDollythesheepEncouragingnews:Dollydeveloped__________.Disturbingnews:normally

Dollylivedforsixandahalfyears,halfthelengthofthelifeoftheoriginalone,becauseofseriousillnesseswhichweremoreappropriatetoamucholderanimal.Para3:TheproblemsofDollyOntheonehand…Itcanbeinferredfromthepassagethataclonedanimal___________.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC.usuallydiesearlierthantheoriginaloneD.isusuallyashealthyastheoriginalone1.Theword“controversial”inPara4probablymeans________.A.complicatedB.arguableC.importantD.indifferent

Para4:TheimpactofDollyB

Ontheotherhand…2.Whatisthepossibilityofusingcloning?Trueorfalse:1.PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2.Alltheresearchintohumanbeingswillbeforbidden.3.Scientistsareinfavorofthehumancloningduetoitsbenefits.Para5:People’sreactiontocloningT

Hitler:anevilleaderEverygenerationshouldatleastthroughthebaptismofawar.意大利狂人医生:安蒂诺里冒死也要克隆人的科学家:布瓦瑟利耶Trueorfalse:1.PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2.Alltheresearchintohumanbeingswillbeforbidden.3.Scientistsareinfavorofthehumancloningduetoitsbenefits.Para5:People’sreactiontocloningSomegovernmentsforbaderesearchintohumanbeings.T

FF

Fromthelastparagraphwecaninferthat____.A.cloningwillcometoanendbecauseoftheobjectionsB.clonedhumanbeingswillbeproducedinthenearfutureC.manycountrieswillusecloninginawisewayD.ChinaandtheUKareinfavorofhumancloning.1.Whatcanweknowfromthetext?A.Twinsaretheresultofman-madeclones.B.Cloningwillbenefitallofus.C.Itismoredifficulttomakeanimalclonesthancommercialplantclones.D.Dollythesheepwasthefirstclonedanimalintheworld.ReadingComprehension2.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.12D.133.Whichofthefollowingisnotanadvantageofcloning?Cloningcanbeusedformedicalpurposes.B.Largequantitiesoffoodcanbeproducedbycloning.C.Famouspersonswhohavepassedawaycanbecloned.D.Cloningcanhelpkeepanimalsfrombecomingextinct(灭绝的）.4.Fromthepassage,theauthor’sattitudetowardscloningis____.A.ObjectiveB.CriticalC.PositiveD.UnconcernedFillinthechartusingtheinformationfromthetext.ProblemsordangersofcloningAdvantagesofcloningPost-reading:ProblemsordangersofcloningAnimalclonesmaydeveloptheseriousillnesses.Animalclonesmaydieyoungerthantheoriginalanimals.Evilleadersmaywanttoclonethemselvestoattaintheirambitions.Therearemoralobjectionstocloninghumanbeings.AdvantagesofcloningMedicalcloningcancureseriousillness.Cloningcanproducecommercialquantitiesofplants.Cloningcanbevaluableforresearchonnewplantspeciesandformedicalresearchonanimals.Cloningcanhelpsaveendangeredanimals.Words&Expressionsreachon/