Genetic engineering

Genes are the basic units that determine the characteristics of every living thing and are passed on from parents to children. We inherit many factors in our genes, from hair color to our ability to make the necessary enzymes our bodies need to keep up alive.
The process by which we inherit our characteristics depends on structures of DNA that cary a genetic code. Every living organism has its own unique code.
It is estimated that humans have between 50,000 to 100,000 different genes; some of them are linked to particular diseases and conditions. Scientists have now identified nearly 4000 conditions that are limited to single defects in a person’s genetic code. Researchers all around the world are currently engaged in “The human genome project”, which aims to identify and define the function of every gene to be found in the human body. Through this they hope to locate errant genes, thereby getting a better understanding of every disease that is genetically transmittable and if possible find a cure for it. Genetic engineering, where by the defective gene sequence is cut and remodelled, is one route scientists might take.
At present genetics can be a reliable predictor of who is likely to develop a particular fatal illness. Many feel that this information has the potential to cause as much harm as good, among the 10 percent of the population who may be affected. Some say that people would not be able to cope with the knowledge that they were likely to contract a terminal illness, but genetics argue that everyone has the right to know so that they could plan the rest of their lives. Some women who have been told that they are likely to develop breast cancer have chosen a surgery to remove the breast in order to increase their chances...

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