UnitCloningReading謝師公開課實用教案

1、第1頁/共54頁第一頁，共55頁。第2頁/共54頁第二頁，共55頁。Whats the distinction between natural cloning and man-made cloning?第3頁/共54頁第三頁，共55頁。TwinsThey were born naturally and identical in sex and appearance.第4頁/共54頁第四頁，共55頁。Twins第5頁/共54頁第五頁，共55頁。Dolly the sheepShe was cloned while the others were born naturally.Dolly was

2、a _ sheep, which was an _ repreduction.(無性繁殖）無性繁殖）clonedHow does Dolly differ from other sheep?asexual第6頁/共54頁第六頁，共55頁。Competition Challenge yourself : try to answer the following questions as soon as possible. If anyone of you stand up first and answer the question fluently and correctly, lets give

3、 him or her a big hand, which means he or she can obtain one score for your group.bonus第7頁/共54頁第七頁，共55頁。1. What benefits can humans gain from cloning?2. What problems may arise when humans are cloned?第8頁/共54頁第八頁，共55頁。Comprehending第9頁/共54頁第九頁，共55頁。I. Read through the passage and match the main idea o

4、f each paragraph.(3mins)The definition of cloning.Para 1. Para 2. Para 3. Para 4. Para 5. The major uses and procedures of cloningThe problems of DollyThe effect of Dolly.Peoples reaction to cloning第10頁/共54頁第十頁，共55頁。Careful Reading Read the text in details第11頁/共54頁第十一頁，共55頁。Cloning is a way of makin

5、g an exact copy of another animal and plant.What is cloning ?Para 1 (1 min)The definition of cloning第12頁/共54頁第十二頁，共55頁。1.How many major uses do cloning have? Firstly, commercial Secondly, research2. When was the cloning of Dolly the sheep born?Para 2 2mins1996The major uses and procedures of cloning

6、第13頁/共54頁第十三頁，共55頁。 The procedure of cloning 第14頁/共54頁第十四頁，共55頁。At first, the fact that Dolly developed _ in a natural way was _.Then came the _ news that Dolly had Become seriously ill. Cloning scientists _ to find that Dollys illnesses were more _ .Finally, the problem that occurred to the scienti

7、sts was that a cloned animal lives_ the original one.Para 3 2minsThe problems of Dollynormallyencouragingwere cast downdisturbingas long as / shorter than / longer thanappropriate to a much older animalshorter than第15頁/共54頁第十五頁，共55頁。Para 4 1minThe effect of DollyimpactDollys appearance raised _ obje

8、ctions and had a great _ _ the media and public imagination. It became arguable( _).a storm of impact oncontroversial第16頁/共54頁第十六頁，共55頁。Para 53mins第17頁/共54頁第十七頁，共55頁。True or false:1People feared that Cloned Osama Bin Laden would do harm to the world.2 Human cloning are encouraged.Para 5Peoples react

9、ion to cloningMany governments forbade reserch into human beings.第18頁/共54頁第十八頁，共55頁。From the last paragraph we can infer that _. A. cloning will come to an end because of the objections B. cloned human beings will be produced in the near future C. many countries will use cloning in a wise way D. all

10、 the research into human beings will be forbiddenC第19頁/共54頁第十九頁，共55頁。 the author does not state any personal opinion about cloning. A. Objective (be fair) B. Negative (be against it) C. Positive (be in favor of it)The writers attitude towards cloningBecause_第20頁/共54頁第二十頁，共55頁。Oh! my God! I was clone

11、d!“哦！上帝哦！上帝(Shngd)??！我被克?。∥冶豢寺×耍÷×?！”第21頁/共54頁第二十一頁，共55頁。Pair workDo you want to be cloned?Whom would you like to clone? and why?第22頁/共54頁第二十二頁，共55頁。Are you in favour ofAre you in favour of cloning cloning people or against cloning people?people or against cloning people?第23頁/共54頁第二十三頁，共55頁。第24頁/共54頁第

12、二十四頁，共55頁。 Suggest answers: 1.Cloning is a way of making an exact copy of another animal and plant. A clone is an animal or plant produced naturally or artificially from the cells of another animal or plant and is exactly the same as it.第25頁/共54頁第二十五頁，共55頁。 2. It can help cure disease and can help c

13、ouples who have no baby to bear a new baby. and .第26頁/共54頁第二十六頁，共55頁。 3. There may be more bad people like Hitler. and第27頁/共54頁第二十七頁，共55頁。 4. In my opinion, I do not agree, for it may cause many moral problems. Or as far as I am concerned, I am for it, as第28頁/共54頁第二十八頁，共55頁。 5. No. The cloned baby a

14、lso has the disease第29頁/共54頁第二十九頁，共55頁。第30頁/共54頁第三十頁，共55頁。 Reading 第31頁/共54頁第三十一頁，共55頁。Natural clone is one that occurs in a natural form of cloning without human help. Man-made clone is one that produced through human intervention(介入介入(jir) .第32頁/共54頁第三十二頁，共55頁。Look at these pictures and discuss wh

15、ich ones are natural clones and which ones are man-made. Explain how they differ.Discussion第33頁/共54頁第三十三頁，共55頁。A strawberry plantThe new plants that grow from the runners are exact copies of the original plant.第34頁/共54頁第三十四頁，共55頁。第35頁/共54頁第三十五頁，共55頁。富貴竹插枝富貴竹插枝(ch zh)即活即活 The gardener should cut the

16、plant ,then the cutting produce another new plant.第36頁/共54頁第三十六頁，共55頁。Growing new plants第37頁/共54頁第三十七頁，共55頁。Fill in the chart on PageFill in the chart on Page 1 12 2 using the information from the using the information from the text.text.第38頁/共54頁第三十八頁，共55頁。Which is easier to clone, plant or animal?

17、 Because cloning plants is straightforward , but the cloning of animals is very complicated.Discussion 第39頁/共54頁第三十九頁，共55頁。Homework1. Translate the procedure of cloning Dolly the sheep into Chinese.2. Finish Ex.1,2,3, Page12.第40頁/共54頁第四十頁，共55頁。1996 cloning sheeps第41頁/共54頁第四十一頁，共55頁。 4. Should we clo

18、ne human? State your opinion. 5. Could a parent clone a child who is dying of a terminal (致命(zhmng)的）illness?第42頁/共54頁第四十二頁，共55頁。2001 cloning cattle第43頁/共54頁第四十三頁，共55頁。我國成功繁殖克隆兔 體形(txng)(txng)要比普通兔大許多2002年年5月月中旬成功中旬成功(chnggng)地繁殖了地繁殖了一只胚胎細一只胚胎細胞克隆兔。胞克隆兔。第44頁/共54頁第四十四頁，共55頁。2002 cloning cats第45頁/共54頁第四十五頁，共55頁。第一第一(dy)只克隆寵只克隆寵物貓物貓克隆克隆(k ln)馬及馬及其其“母親兼姐姐母親兼姐姐”第46頁/共54頁第四十六頁，共55頁。2002年年4月十六月十六日美國第一日美國第一(dy)頭克隆牛頭克隆?！鞍装住碑a(chǎn)下牛犢喜作媽產(chǎn)下牛犢喜作媽咪咪第47頁/共54頁第四十七頁，共55頁。2005 cloning dogs第48頁/共54頁第四十八頁，共55頁?？寺〉臒晒饪寺〉臒晒?ynggung)小豬小豬(左左)和正和正常小豬常小豬(右右)第49頁/共54頁第四十九頁，共55頁。A strawberry plantThe new plants that grow fr