Cloning our lives.

Nowadays, the cloning is a very important topic, because it can suposse a big change in the science.

During the cloning, from a somatic cell, we get one or several organisms iqual to the original one. The process is a bit complicated:


The cloning has got several objectives, for example, you can create a organism iqual to another. It let get a copy of a person that is dead.

Another objective is to get some embryos, to get compatible organs to a person that need them, or to get some useful cells for the treatment of degeneratic illnesses.

Dolly the Sheep, was the first clonation in the history. Using the cloning technique which produced it in 1996, researchers were able for the first time to turn adult human skin cells into stem cells, which can grow into any type of tissue in the body.

Therapeutic cloning is the one scientists hope will be successful for organ cloning. This would be done by extracting DNA from the person receiving the transplant that DNA is inserted into an enucleated egg. After the egg (now with the donors DNA) begins to divide, the embryonic stem cells are harvested. These are the cells that can be developed in to any type of cell. Those cells can can then be grown into the complete organ or tissue for the donor and will be a full genetic match (in theory). This organ cloning would eliminate the need for anti-rejection drugs than can cause some many problems with donor recipients.


Xenotransplantation, or transplanting animal organs into humans, has also been examined as a potential source for organ transplants. But if our bodies sometimes reject transplanted organs from other humans, how would they react to animal organs? The answer is yes. In 2002, pigs were cloned and their hearts were transplanted to some humans.

The technical and moral debate over organ cloning will continue for years to come. It is almost certain that organ cloning will eventually become a reality in some countries.

By: Karen Lorente García, Alicia Muñoz Medialdea, Andrea Vera Muñoz.




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