What is Cloning?

The US Conference of Catholic Bishops objects to therapeutic re-create because it deliberately cuts off the life of a developing embryo for the purpose of extracting embryonic stem cells for seek and, in theory at least, regenerative therapy: "In moral terms, we look at that creating human lives solely to destroy them is more problematic than cloning for procreation" (Johnson 32).

But ethical concerns are not the just argument against cloning. Technical concerns also arise. Mammal cloning appears to commence an "efficiency" rate of "approximately 2% of manipulated embryos, a crook that seems not to be affected by the species used or the type of cell used as a nuclear donor." The pregnancies of cloned implants can be problematic, and the offspring may suffer from "a wide variety of abnormalities" (Iannaccone A469). In February 2003, for example, Dolly, cloned from adult sheep cells in 1996, was baffle down, suffering from diseases more typical of animals of more advanced period (Kolata A4). Meanwhile, in 2001, a group of researchers in Worcester, Mass., created what were said to be the first cloned human embryos for stem-cell research, but none of them developed beyond six cells (Johnson 34).

Some opponents of human reproductive cloning abduce the "centrality of sexual recombination in mammal reproduction, and argue that it would be super difficult to predict either the vi

Johnson, Alissa. "Attack of the Clones: As Cloning Technology Marches Forward, tell apart Legislatures Are Faced With Some Hard Decisions." State Legislatures 29 (April 2003): 30-33.

Kolata, Gina.

"First Mammal Clone Dies: Dolly Made erudition History. The youthful York Times 15 February 2003: A4.

Mooney, Chris. "The Future Is Later." The American horizon 13 (15 July 2002): 10-11.

Advocates of therapeutic cloning argue that stem-cell research, aimed at utilise cell therapy to strengthen immunity and genetic makeup, should be conducted on embryonic stem cells, which are the most potent benevolent (Brown 651 passim). Some researchers say "therapeutic cloning ought to be do by differently from cloning to make a baby" (Singer 88). Similarly, Mooney cites the " armament of patients suffering from serious and often life-threatening degenerative diseases" (Mooney 10).

Cohen, Jacques, and Tomkin, Giles. "The Science, Fiction, and creation of Embryo Cloning." Ethical Issues in Human Cloning: Cross-Disciplinary Perspectives. Ed. Michael C. Brannigan. New York: Seven Bridges P, 2001. 11-20.

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