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The use of recombinant DNA technology can only benefit human

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James Fung 20thMarch,2002 Biology coursework --- The use of recombinant DNA technology can only benefit human Introduction The use of recombinant of DNA technology, which involves taking a gene from one species and splicing it into another, is becoming widely use than ever. It is beneficial to people. It improves the life of people as well as the quality of living. On the other hand, it brings lots of moral and ethical concerns to the world. So in my own opinion, we shouldn't say that the use of recombinant DNA technology only benefits human. Discussion Nowadays, genetic engineering has been adopted in many fields especially for medical and agricultural purposes. Curing genetic diseases Patients with a genetic disease can now be cured entailing gene therapy. e.g. the lungs with cystic fibrosis produce thick mucus that provides a growth medium for bacteria and viruses. By gene therapy, which is to insert the normal genes into the tissues most affected by the diseases, both the quality and quantity of their life can be enhanced. ...read more.


GM food has triggered much debate. But in the face of natural disasters, drought and a growing population, bio-technology may offer a way out. Genetic modified animals Genetic engineering provides scientists with the ability to create pharmaceutical animals. They can produce pharmaceutical and other valuable substances in their milk, eggs and semen. e.g. working on goats that carry genes from spiders allowing them to produce spider silk in their milk. When spider silk is taken from goat's milk, the substance can be used in things such as bullet-proof vests. e.g. human proteins, like haemoglobin and blood-clotting factors, are already produced in the milk of transgenic cows, goats and sheep. Genetic engineered micro-organisms Patients suffering from diabetics cannot produce insulin. But now genes for insulin are spliced into bacteria. Bacteria are then grown in a fermenter. Cell division in bacteria is so quick that large amount of insulin can be produced within a short time. ...read more.


Procedures, separating sperm that carry the Y chromosome from those that carry the X chromosome can reduce sex-linked genetic disease like colour-blindness, haemophilia. On the other hand, determining children's sex just because of people's willingness like 'I'd like a girl because I've already got a boy.' is definitely unacceptable. Conclusion After all, I come to a conclusion that the use of recombinant DNA technology can benefit human is obvious, solid and practical. There is nothing wrong with the technology itself. It's a question of how to apply it, who applies it and to whom it's applied. It has the greatest impact ever on religion, moral, ethic, our basic values and beliefs. When the key of life mystery is unlocked, human begin to interfere nature, to make life and eventually men. Any slightest mistake or misuse would end up in extinction not a race, a nation but of all human. People's worries are understandable. It's like every advanced technology, any misuse or fall in the wrong hand would be catastrophe. But if we still believe human's intelligence, recombinant DNA technology used correctly can definitely benefit human. ...read more.

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