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Cloning: Background - School Essays

Cloning: Background

A clone is a group of genetically identical cells. For example, tumors are clones of cells inside an organism because they consist of many replicas of one mutated cell. Another type of clone occurs inside a cell. Such a clone is made up of groups of identical structures that contain genetic material, such as mitochondria and chloroplasts. Some of these structures, called plasmids, are found in some bacteria and yeasts. Techniques of genetic engineering enable scientists to combine an animal or plant gene with a bacterial or yeast plasmid. By cloning such a plasmid, geneticists can produce many identical copies of the gene.
Scientists used this technique to clone such amphibians as frogs ...

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the critics (Recer). Wilmut does not have the courage to repeat his experiment, also that the government will never allow him to repeate it.
Another reason for cloning is that before it was done and even now scientists think cloning could help produce genetic models of human diseases. With this researchers could understand them and develop cures . Also cloning could bring new insights into the process of aging ("Mammalian"). The reason they want to do this is because if scientists could understand aging then maybe they could extend or eliminate it.
One other reason cloning was started, other than scientists wanting to change the world, was for better food, because the routine genetic modification of animals to create healthier food products (Craig). So according to that statement, cloning was intended to be used in making food better. But a lot of people have noticed cloning has become more than just a quest for better food.
There are certain groups of people who would like to ...

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PAPER DETAILS

Added: 11/2/2004 10:30:58 AM
Category: Science & Nature
Type: Premium Paper
Words: 1074
Pages: 4

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