M5 U3 welcome

.,Unit3ScienceandnatureWelcometotheunit,.,Canyouthinkofsomecasesinwhichsciencegoesagainstnature?,GMfood,Brainstorming:,.,airconditioner,.,organtranplant,.,artificialrainfall,.,cloning,.,.,cosmeticsurgery,.,Whatiscloning?,.,Theadvancedtechniqueingenetics(遗传学)withwhichscientistscancreateorcopythingswiththesameDNAiscalled-?,.,Dollythesheep,.,TrueorFalse?,Dollyistheworldsfirstclonedmammal.Itlooksdifferentfromanormalsheep.Ithasthesamegeneasthefirstsheep.Itislegaltoclonehumanbeings.Dollyistheonlyanimalintheworldthathasbeensuccessfullycloned.,T,F,T,F,F,.,Scientificdefinition,CloningisthecreationofcellsorwholeanimalsbyusingDNA(脱氧核糖核酸)fromasingleparent,bypassing(绕道而行)thenormalreproductive(生殖)process.TheclonehasthesameDNAtothe“parent”.,.,theclonedkitten,.,ThekitteninthepictureiscalledCc.Itsnameisfrom“Copycat”.ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2002.,.,theclonedfemalepigs,.,ThefivelittlepigsnamesareNoel,Angel,Star,JoyandMary.,.,thefirstclonedmonkey,.,ThenameoftheclonedmonkeyisANDi.Itisfrom“insertedDNA”speltbackwards.Itisthefirstgeneticallymodifiedmonkey.ThetechnologyisdifferentfromthatusedforDolly.,.,Areclonedanimalsexactlythesameasthe“motheranimals”？,Theymayhavethesameappearancebuttheirphysicalqualitiescanbeverydifferent.Manyclonedanimalsdiedatamuchyoungeragethanaverage.,.,Task1:Isitagoodideatoclonehumanssomeday?,Ifyouhappentohaveaclonedcat,howwouldyoufeel?,.,Whatifanothercatwiththesameappearancecomestoyou?,.,Whatifmorecatswiththesameappearancecometoyou?,.,Whataboutacloned“you”?,Discussion1,.,Funpictures,Ifcloninggoeswrong,whatwillhappen?,Adogoraneagle?,.,Aduckoracrocodile?,.,Acockoradog?,.,Alionorakangaroo?,.,Afrogoracrocodile?,.,Whatdoyouthinkofthenewkindoftechnology?Doesithaveadvantagesordisadvantages?,Discussion2,.,Doyouthinkgovernmentsshouldpasslawstoprohibithumancloning?Whyorwhynot?,.,Theyshouldnt,for,reasons:,Cloningcanhelpcuremanydiseasesandsavealotofpeoplelives.2.3.,PartA,.,Theyshould,for,reasons:,Cloningcanleadtoethical(伦理)problems.2.3.,PartB,.,Givinganoralreport,Todayourclasshadadiscussionaboutwhetherthegovernmentsshouldpasslawstoprohibithumancloning.Somestudentsthinkthatthegovernmentsshould,forHowever,someotherstudentsthinkitnecessarytoprohibit,fo