clonog of humas

A detailed Summary of clonog of humas

Cloning is the production of a group of genetically identical cells or organisms, all descended from a single individual. The members of a clone have precisely the same characteristics, except where mutation and environmentally caused developmental variation have occurred. The DNA is precisley the same and they are only differentiated by their experiences in which dictate their personality. There are some types of natural cloning that nature displays. Some animals have tremendous powers of Regeneration. If the body of certain starfishes is cut up into its five arms, each arm will regenerate a complete individual. Another type of asexual reproduction found in all animals, human beings included, is the formation of identical twins, triplets, and so on. Identical siblings constitute a clone. The growth of a tumor in the body of an individual is, in effect, the formation of a clone of malignant cells. Humans have learned from nature and started their cloning saga also. In one meth!

od of artificial cloning used in plant breeding, cells are cut from a plant and placed in a flask with a nutrient medium. The cells grow and divide, forming embryonic tissues that are transferred to soil, where they produce complete plants. Grafting is ano

versized features, although whether that holds true for humans is unknown because none have ever been cloned. The possibilities of reasons to clone are almost endless. You could clone to have organs for transplants. Parents could build a family of clones born at different times. Or, as Shannon Brownlee said, "A bizarre possibility to consider is that a woman conceived from a split embryo could give birth to her twin." Cloning could give infertile couples a chance to have children. Humans can be cloned. They have been cloned. Naturally, of course. In reference to identical twins. Outside of that, no human has ever been artificially cloned. One attempt at splitting an embryo in 1993 came very close, but was not successful. Although humans haven't ever been cloned, several animals have, all in recent months. The more publicized cloning was of Dolly the sheep. The cloning that also occurred, but had much less television coverage was that of a monkey. The monkey is even more geneti!

ic Engineering for humans and animals. One concern is that transgenic animals carry pathogens of their own that may be transferred to humans with unknown consequences. The 1993 cloning of nonviable human embryos has raised considerable ethical questions about the uses of this technology. The regulatory agencies must establish ground rules for the use of these technologies and products. At the same time, genetic technology is not an unmixed blessing. The potential abuses of genetic technology warrant our careful and considered attention. Linkages between genetic screening and abortion, testing and discrimination, and the supposedly positive and negative aspects of the discredited pseudo-discipline of eugenics represent important subjects meriting wider public discussion. No less important are the implications of patenting human

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Category: Science