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02-29-2008, 06:36 PM
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skillyaslig
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: Mar 2007
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Genetic Engineering

Is it good or bad? There are alot of different types of genetic engineering. Some are which we have been using for centuries, like

*selective breeding, is when a breed is cultivated over time. To make the breed strong, or to modify it to how we wish the breed to be like. Most remain pure, like pure-breed English Collies, to make that selected dog breed strong, and have no genetic flaws. Others are purposely tempered with, like the labradoodle, or what ever it is, a cross between a Labrador and a poodle, obviously.
Others are uses that we are just discovering, like

*Cloning, which is too make an exact replica of something, through the use of duplicates of DNA fragments (also called molecule cloning). This term also covers plants, bacteria, and insects, that reproduce asexually.

*Genetic modification, is the direct manipulation of an organisms genes. This is also called gene splicing, and recombinant DNA technology. It uses techniques of transformation and molecule cloning. This means organic things can be modified and changed, to help adapt to certain environments.

So, that are just some examples of the new, genetic engineering which we humans can harness. Is it good or bad though? I think it shouldn’t be used, as the negative sides far out weight the positive. However, we normal folk don’t really seem to have much of a choice, as nearly 60-70% of food we consume (that are sold in supermarkets) are made from genetically engineered crops. They contain substances that humans were not suppose to eat naturally. Who knows what that unnatural stuff will do to us? There could be side effects towards DNA surgery, as such, they could make mutations which could be harmful towards our health and the environment. There could also be wide-spread crop failure, as most seeds (genetically modified ones) are cloned, so they have identical DNA, so if a virus arises, it could wipe out whole crop cell, which is world wide.
Also, messing with DNA could cause new virus to attack us. Many virus cannot harm humans, as the ‘species barrier’ prevents it. However, scientists have been creating new genes that can ‘ignore’ the barrier, this also means there is a lope hole for the virus.

There are my reasons to prevent scientists from continuing genetic engineering. What about you guys?
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