Cloning: What Is the Right Thing to Do?

Topics: Cloning, DNA, Cell Pages: 4 (1389 words) Published: April 24, 2005
Multiple Source Essay

What is the Right thing to do?

Cloning offers many applications, especially in medicine, however, in spite of the many advantages, many people still consider the idea of human cloning, and the practice of cloning all together to be immoral. This opinion is rarely based on a careful analysis of facts, often only a spontaneous reaction. Cloning technology has potential for doing much good, research in human cloning should continue, although some applications of it may need to be restricted.

Cloning is the process of extracting the DNA out of a donor's cell and implanting this genetic code in another cell in order to grow a being with identical genes, thus virtually duplicating the donor. The term clone refers to the new being that has identical genes to the donor. There are three types of cloning, when the media reports on cloning they are generally referring to reproductive cloning. There is also recombinant DNA Technology, and therapeutic cloning (McGee, Human Cloning Debate).

Reproductive cloning is a technology used to generate an animal that has the same nuclear DNA as another. Scientist transfer genetic materials from the nucleus of a donor adult cell to an egg whose nucleus has been removed. This reconstructed egg containing the DNA must be treated with chemicals or electric current to stimulate cell division. Once the cloned embryo reaches a suitable stage it is transferred to the uterus of a female host where it develops until birth (Paul Lauritzen, Cloning). The most notable example of reproductive cloning was dolly the sheep.

Another type of reproduction is "recombinant DNA technology," or "gene cloning." To clone a gene, a DNA fragment containing the desired gene must be obtained from the chromosomal DNA using restriction enzymes and then united with a plasmid that has been cut with the same restriction enzymes. When the fragment of chromosomal DNA is joined with its cloning vector in the lab it is...

Cited: Lauritzen, Paul. The Basics of Cloning.
McGee, Glen. The Human Cloning Debate. New York: Berkley Hills Books, 2000
Nash, Madeleine J. "The Age of Cloning," Time, 10 March, 1997
Pence, Gregory E. and Rachels, James. The Right Thing to Do, "Will Cloning Harm People," New York: McGraw-Hill, 2003
Reaves, Jessica. "Bring Back the Dodo, Brave New Strides in Animal Cloning." Time 09 October, 2000
Smith, Simon. The Benefits of Human Cloning.
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