DNA, Reproduction & Clones

The knowledge link to cloning has always had some appeal to the scientific world. The first demonstration of artificial cloning was shown on urchin by the scientist Hans Adolf Edward Dreich in 1885*. Since then, demonstrations were made on more animals of different kinds with the objective of cloning humans, or parts of it. Cloning is a method of asexual reproduction, where the DNA of the offspring comes from only one parent. In other words, the offspring are genetically similar to the parent.

Cloning has always been a hot topic. Many persons are in disagreement on the idea of cloning, because there are many advantages and disadvantages. In order for cloning to be successful, advanced technologies and knowledge must be combined. During the research, it is probable that scientist would discover new knowledge related to the human body are simply observe and study a phenomenon already discovered, which would help to the advancement of science. Another benefit of cloning would be the possibility of having the perfect organs donor for a particular patient. It could save the life of people waiting for a kidney transplant or marrow bone, for example. It would also diminish the risk of the body rejecting the transplant since it would be the exact same organ. A third advantage given by the science of cloning is to give the possibility for a sterile couple to have a child related to one of the parent.

Obviously, cloning has it down side. Since cloning is an exact replication of a certain DNA, it would reduce genetic variety which is one of the main reasons responsible for the survival and evolution of any species. Similar to organs, the rarity of a certain type of embryo or DNA could cause a black market. Also, a certain gene could be selected in order to create a certain race superior or inferior to us. The society would also have some difficulties with the loss of individualism, which would complicate the identification of a person.

*http://learn.genetics.utah.edu/content/cloning/clonezone/

*http://www.ansci.cornell.edu/usdagen/cloning.html

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