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???--- Snuppy

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Title: ( ) Author: soup Last modified by: rlpan Created Date: 1/2/2002 2:52:10 PM Document presentation format – PowerPoint PPT presentation

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Title: ???--- Snuppy


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???--- Snuppy
Dr. Gerald Schatten of U. Pittsburgh
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DNA??????
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Noah was the first endangered animal to be cloned
Photo courtesy Advanced Cell Technology, Inc.
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Gurdon's experiment to clone a frog
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Plant cloning through tissue culture propagation
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Cloning requires specialized microsurgery tools
and involves five basic steps
  • Enucleation of the recipient egg
  • Transfer of the donor cell into the recipient egg
  • Fusion of the donor cell to the recipient egg
  • Culturing the resulting cloned embryo in the
    incubator
  • Transferring the developing embryo into the
    reproductive tract of a surrogate mother

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The offsprings are genetically identical to each
other and to their donor "parent".
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5.????????? 6.?????
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???? ??????(WHO)?????????(UNESCO)?????????????(NB
AC),???????,????????????, ????????????,???????????
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1.??????????????????? 2.???????????????
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4.????????????? ??????????????
5.???? ???????????
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8.?????? ??????????????????
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CNN?1997??1005??????????? ?????????????
89 ?????????????? 66 ?????????
69 ?????????
74 ??????????? 19
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??????? 1.???????????,
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3.?????????,???????
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III.?????????? ???????,??
(1).??????????? (2).?????
(3).??????
(4).??????? (5).?????????
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IV.??????????? ???????????,??????,
????? (1).????????????????
????????,????? (2).????????,??????? ?????
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?????????
  • ?????Genetic Surgery?
  • ???? ?Genetically Modified Food?
  • ?????? ?Biological Safety?
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