hmmm...most of the stuff i already had, or it was in a language like swiss or something lol...this is what i have written up so far...but my teachers a harsh marker and i may need some more...
ps im bring my rats to school for this!!! kinda like a visual effect lol

Genetic Experimentation on Rats
Scientists have located the genetic defects of many inherited diseases. Trying to model these diseases, many researchers use animals - mostly mice and rats - with spontaneous or labratory-induced genetic defects.
More than one million animals have been genetically modified in British labratories over the past four years. 4,458 of them were rats. Rats are one of the more commonly used animals in these experiments beacuse they are cheap and easy to house.
Techniques have been used to alter rats' genetic make-up, producing new strains of species to be exploited by the pharmicutical and biomedical industries. One approach is to insert genes from a rat into the embryo of another animal, the resulting creatures known as "transgenics." Another method is to disrupt or knock out one of the rat's own genes. Scientists refer to these as "knock-outs." Even when there are no unexpected complications, genetically engineered rats still suffer and die, because in biomedical research they are designed to do so, such as the "cystic fibrosis rats" which die in approximatly 40 days.
Scientists are now even beginning to lie in order for people to belive that genetic experimentation, or any experimentation for that matter, on rats is okay. They are now informing people that rats are a more accurate model of human disease, and are the best predictor of potential success of new drug treatments.
Whatever miracles the new technology hopes to perform, it cannot transform rats into miniature people, and the results can't be relied on. Enormous genetical variations exist among all living creatures, and extropolation from one species to another is impossible. For example, transgenic rats carrying the same defective gene as people with cystic fibrosis do not show the pancreatic blockages or lung infections that plague humans with the disease because humans and rats have different metabolic pathways.