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The theory of being able to make a genetic copy a clone of another animal has been around for quite a while In this section as the title reads I will show the history of cloning 400 million years B C- Plants have been cloning themselves since not to long as far as the Earth is concerned after their introduction to our planet They send out runners that create an identical copy of the parent plant 1938- Hans Spermann of Germany envisions what he calls the fantastical experiment He suggests taking the nucleus from a cell in the late-stage embryo and transplanting that nucleus into an egg 1952- Scientists Robert Briggs and TJ King use a pipette to suck the nucleus from the cell of an advanced frog embryo they then add it to a frog egg The egg didnt develop 1970- John Gurdon tries the same experiment with the same procedure The eggs developed into tadpoles but died after they were ready to begin feeding He later showed that transplanted nuclei revert to an embryonic state 1973- Ian Wilmut just finishes his doctorate at Cambridge University when he produces the first calf born from a frozen embryo Cows only give birth to five to ten calves in a lifetime By taking frozen embryos produced by cows that provide the best meat or milk then transferring that to surrogate mother it allows cattle farmers increase the quality of their herd Mid to late 1970s- Scientists cut down small forests publishing research papers arguing the ethics of cloning and if it can be done While they do this other researches around the world are actually investigating if it can be done 1981- Karl Illmensee and Peter Hoppe report that they clone normal mice and embryo cells It is later found to be a fraud 1982- James McGrath and Davor Solter report that they can not repeat the
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