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1、Module5,Unit3WelcometotheunitTheadvancedtechniqueingenetics(遺傳學(xué))withwhichscientistscancreateorcopythingswiththesameDNAiscalled-?cloneScientificdefinitionCloningisthecreationofcellsorwholeanimalsbyusingDNA(脫氧核糖核酸)fromasingle"parent",bypassing(繞道而行)thenormalreproductive(生殖)proc
2、ess.TheclonehasthesameDNAtothe“parent”.DollyanditscreatorclonedfemalepigsclonedcalvesfromJapanthefirstclonedmonkey.clonedchickenthecloneddeerDoyouthinktheclonedanimalsareashealthyasthenaturalones?Dollyis,butscientistsdonotyetknowwhetherthisistheexception(例外)ortherule.Someearl
3、yevidencessuggestthatclonesmayhavehealthproblemsandthattheymayageprematurely(早衰的，未老先衰).Ifyouareascientist,whatdoyouwanttoclone?Why?BrainstormingMorecontributionstohumanMoreworldchampionsChina,amoreharmoniouscommunityJustimagineSupposingyouarefacingyoursecondselfwholookslikeyo
4、u,talkslikeyouandthinkslikeyou,howdoyoufeel?TrytodescribeBush’sfeelings.Ifcloninggoeswrong,whatwillhappen?FunpicturesAdogoraneagle?Aduckoracrocodile?Acockoradog?Alionorakangaroo?Afrogoracrocodile?Atortoiseorabear?Abirdoradog?Adogoraman?DiscussionDoyouthinkgovernmentsshouldpas
5、slawstoprohibithumancloning?Whyorwhynot?PartyATheyshouldn’t,for…reasons:Cloningcanhelpcuremanydiseasesandsavealotofpeoplelives.2.……3.……PartyBTheyshould,for…reasons:Cloningcanleadtoethical(倫理)problems.2.……3.……GivinganoralreportTodayourclasshadadiscussionaboutwhetherthegovernme
6、ntsshouldpasslawstoprohibithumancloning.Somestudentsthinkthatthegovernmentsshould,for…However,someotherstudentsthinkitnecessarytoprohibit…,for…Inmyopinion,…Thankyouforyourattention!ByeBye
