Monday, January 3, 2011

The Future of Molecular Biology and Genetics

The Future of Molecular Biology and Genetics *
Begum YILMAZ

The future of biology, a very popular topic among biologists, is closely related to the future of molecular biology and genetics. Recent technological developments have engendered rapid development in this area. And this, in turn, has highlighted the need for scientists as well as ethicists to think carefully so that they will not be blamed by future generations for their actions or lack thereof.
Before thinking about biology's future, we should classify the most important developments made during the 1990s. The first one is cloning, most notably the sheep Dolly, a development that is still quite controversial. The problem here is twofold: religious, for some people say that scientists want to play God by "creating"; and ethical, for it could involve cloning human beings to harvest their organs. Technically, this latter issue is not a big deal.

Cloning

To deal with the first issue, we must understand the cloning process. Cloning is defined as the transfer of an ordinary cell nucleus to an egg with a depleted nucleus. Scientists have done this with frogs for years. But when they began to use mammals, people began to pay more attention.

Cloning is not creation, for it uses an existing genome encoded in an existing nucleus with a natural (but slightly modified) egg. So, the resulting organism is no more than a copy of the organism already created by the Creator.

In other words, cloning is like a copier: if you photocopy a book, you cannot claim that the copier wrote that book, even if there are some changes (e.g., lighter ink or different colors). Even if scientists one day change a portion of the genome prior to cloning so that the clone will have a different physical property, they still will be doing no more than making some small changes on a great piece of art already designed and created in a wonderful way.

The second issue, that of cloning people, is also important. The American government has already outlawed it. Why would someone want to clone himself or herself or someone else? There could be several reasons. First, to live forever, which is impossible. Even if everything were to work perfectly, the clone would be an entirely "new" person with a unique personality, for its environment would be an important factor in its development.

Second, to use the clone as an organ donor or for some other reason. A clone's organs would not be rejected by the recipient's immune system. However, cloning a human being just to harvest its organs is the same as killing someone for his or her organs. Although cloning now is a technically very painful and long process, advancements in biomedical technology probably will make it much easier in a few years, and available to those who can afford it.

Clearly, this process does not involve creating a new person. However, it does raise ethical complications, such as the ones mentioned above. To allay some of the public's concerns, scientists should explain that "cloning" does not mean "creation." 


*http://www.fountainmagazine.com/article.php?ARTICLEID=206

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