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Identifikators:293988
 
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Publicēts: 02.12.2005.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
Darba fragmentsAizvērt

Have you ever thought about what it would be like to have a clone of yourself? It would definitely be bizarre watching yourself grow up all over again. In order to obtain that copy of yourself, human reproductive cloning would have to take place. Human reproductive cloning is the process of taking genetic material from a person, and using it to make an embryo, in the hopes that it will develop properly, and in the end become a child. The beginnings of what we today refer to as cloning, actually go back to the early part of the twentieth century--1901 to be exact. Hans Spemann (1869-1941) was a German embryologist who was a professor of zoology (1919-1935) at the University of Freiburg. In 1901, he split a 2-cell newt embryo into two distinct parts, successfully producing two different larvae (Thompson).
Recently, the issue of human cloning came to the public's attention when scientists from the Roslin Institute announced they had successfully cloned "Dolly," the sheep, in February 1997. …

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