Along with the appearance of the recombinant DNA technology, it becomes possible for human beings to isolate, study, and change gene in the laboratory. Gene Therapy is the process of replacing a defective gene inside a patient's DNA with a working gene that will produce the correct gene products.

The genetic diseases "in which a single known gene does not function properly", such as sickle cell anaemia, thalassaemia and Lesch-Nyhan syndrome, are most suitable to be treated with the gene therapy. There are two types of gene therapy

in curing these diseases, patient therapy and embryo therapy.

Gene therapy has a promising potential to improve the lives of those who have diseases that have until now been death sentenced, but to take it into real practice human beings still have a long way to go.

Gene therapy seems to be a promising and positive step for the medical community, but ethical questions arise every day as we discover more and more about the contents of the human genome. Does any person, whether well or ill, deserve respect as an individual? If the answer is affirmative, then carrying out experiments on patients, as Dr. Martin Cline of the University of California attempted to do in 1980, is fundamentally unethical. "The clinicians must examine their own consciences and decide whether they behaved correctly and with full knowledge of the proposed treatment." "Society has decided that part of it is that a termination of pregnancy before approximately 3 months is

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Approximate Word count = 644
Approximate Pages = 3 (250 words per page double spaced)