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Unit3Scienceandnature
WelcometotheunitCanyouthinkofsomecasesinwhich
sciencegoesagainstnature?airconditionerorgantranplantartificialrainfallcloning7cosmeticsurgeryWhatiscloning?Theadvancedtechniqueingenetics(遗传学)withwhichscientistscancreate
orcopythingswiththesameDNAiscalled-?DollythesheepTrueorFalse?ScientificdefinitiontheclonedkittenThekitteninthepictureiscalledCc.Itsnameisfrom“Copycat”.ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2002.theclonedfemalepigsThefivelittlepigs’namesareNoel,Angel,Star,JoyandMary.ThenameoftheclonedmonkeyisANDi.Itisfrom“insertedDNA”speltbackwards.Itisthefirstgeneticallymodifiedmonkey.ThetechnologyisdifferentfromthatusedforDolly.Areclonedanimalsexactlythesameasthe“motheranimals”？Task1:Isitagoodideatoclonehumanssomeday?Whatifanothercatwiththesame
appearancecomestoyou?Whatifmorecatswiththesame
appearancecometoyou?Whataboutacloned“you”?Acockoradog?Alionorakangaroo?Afrogoracrocodile?Whatdoyouthinkofthenewkindoftechnology?Doesithaveadvantagesordisadvantages?Doyouthinkgovernmentsshouldpasslawstoprohibithumancloning?Whyorwhynot?Theyshouldn’t,for…Theyshould,for…GivinganoralreportThankyouforyourattention!HomeworkThankyou！