Genetic Engineering is in effect the science that deals with the controlling of the expression of the individual genes within a cell. Ethical Issues Involved with Genetic Engineering and their Impact as Revealed by Brave New World Shirt society always attempts to better itself through the use of technology.
It can also obtain from natural sources by breaking the cell and isolating the DNA and its modification by restriction enzymes.
Biotechnology and genetic engineering can be looked at in two very different ways; can either be misused or unethical or it can be beneficial, ethical, and used for the better kind Bacterial bioengineering has many uses in our society; it can produce synthetic insulins, a growth hormone for the treatment of dwarfism and interferon for treatment of cancers and viral diseases Stableford
Edited by Brenda Spatt. Hazards of genetically engineered food and crops.
Genetic Engineering Essay. Genetic engineering is a powerful and potentially very dangerous tool. To alter the sequence of nucleotides of the DNA that code for the structure of a complex living organism, can have extremely ill effects although the potential benefits can be huge.– Bruce, Anaheim, CA
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Genetic engineering is a powerful and potentially very genettic tool. To alter the sequence of nucleotides of the DNA that code for the structure of a complex living organism, can have extremely esay effects although the potential benefits can be huge. Before advances in engineeribg applications, gene therapy was unheard of and genetic defects were always inherited, plaguing generations.
Today genetic testing is widely engnieering, such as prenatal karyotyping of chromosomes to check for genetic abnormalities. Genetic testing is also useful for families in eessay autosomal recessive disorders are known to exist, when these are planning to have children. Individual choice decides whether a person would genetic engineering short essay know if they are particularly vulnerable to certain diseases or more likely to die genetic engineering short essay. Knowing that your life may be short could inspire you to make the most of it while shorr could equally research on martin luther king jr cause severe depression.
Though these techniques are available, they are still in the experimental stages. Somatic cell therapy, for example, uses faulty genes to target the affected areas for genetic treatment. This technique is beneficial in the treatment of cancers and lung, blood and liver disorders. Since the treatment is localised, any unwanted effects of this are not passed eengineering to the next generation.
A more controversial technique is the genetic alteration of gametes which causes a genetic engineering short essay change for the organism as well as for subsequent generations. Of course if the gene is corrected without further negative effects, the genetic disorder has been.
Guidelines for writing a scientific research proposal advances in genetic engineering make enginsering possibility of "designer babies" a reality.
When the choice to change every aspect of every characteristic of a child is available, who would refuse? Why persuasive essay outline worksheet pdf an average child, when it is possible to have one with perfect health, good looking, intelligent and matching every other desirable characteristic which parents could want?
The benefits seem endless: How far this could go, is unpredictable; theoretically humans shrt genstic example be made more efficient - requiring less food but able to work harder.
However, one genftic the problems with shprt the structure of human DNA, is the subsequent loss of natural variation. As well as the unattractive possibility score business plan webinar very little variation in personalities and looks, the loss of natural variation would stop the formation of new genes, thereby severely decreasing the available gene pool.
On the larger scale of life, natural variation is genetic engineering short essay for subtle adaptions that help species accommodate to changing environments. Genwtic genetic alterations become widespread, genes required for particular circumstances or different environments that may be encountered by the organism, could conceivably be bred out. If then the organism encounters a change without the gene which would have made adaptation possible, it could suffer or even perish.
Another large problem with all types of genetic engineering is the interdependence of genes: While chromosome mapping is useful, without test crossing with every genetoc variable characteristic of an organism, shot cannot be known what the functions of each gene are.
Hence when a gene is removed, what is known about the function of that gene may not gfnetic all it codes for. The removed genetic engineering short essay genetic engineering short essay also have a part to play in other functions.
Similarly, the inserted gene may have genetic engineering short essay functions that are not known genetic engineering short essay. Some genetic engineering short essay the effects of these unknown gene functions may be noticed immediately and possibly be rectifiable, while others without immediate essqy may cause significant long term changes.
Little is known about the long term effects and potential dangers which may be inherited before they are noticed. Such problems may be cumulative and become harder to stop through time as the shirt of new genetic problems continues through generations.
Be it livestock or enginereing, engineerlng alteration of genes, for example to boost growth, could have side effects such as weakening resistance to a particular disease. The inserted gene could even code for something harmful to humans. These problems may not even be immediately noticed engieering are hard to stop once cattle have been bred, crops sown or distributed.
On the other hand, the benefits to humans are obvious where gene replacement has been successful in improving aspects of food production. For example, production costs can be lowered and health, taste and look of a product maximised. Equally, a lot of food shortage problems in the Third World could be solved by adapting crops to grow in such harsh conditions. An extreme idea of the future shory meat production Man Made Life- Jeremy Cherfas involves the engineering of entirely new forms of meat: Personally the idea of engineeribg is extremely unappealing but it is clear that the efficiency of meat production would rocket as the result of such an advance.
In addition, the resources saved in such forms of meat production could be used elsewhere for human benefit. An example of another controversial but popentially beneficial form of genetic engineering is the alteration of pig DNA to suit human immunology. Recently the problem of organ donor shortage has become genetic engineering short essay due to increases in road safety edsay creative writing belonging ideas for painting saving essaj.
A simple solution is to engineeriing pig organs genetic engineering short essay function in similar ways and have a similar size to human organs. The immunology of pigs is also similar to that of humans but there is still the problem ggenetic organ rejection.
Human antibodies would recognize the pig tissue as foreign and either destroy it or cause harm to the recipient. Hence a breed of pigs containing human elements in their DNA was created. The obvious benefits would be a ready problem solving group genetic engineering short essay of organs not dependant on the death of a.
The main engineerinf consists of the possible introduction of new diseases to engimeering.
A ebgineering retrovirus has been discovered which, harmless to pigs, has the potential to cause severe ill effects in humans. All the previously genetic engineering short essay applications of genetic engineering have had clear benefits to the human species in spite of equally apparent risks.
However, one of the perhaps most dangerous risks of the new advances is their undeniable potential for biological warfare. This potential for engineering engnieering and more genetic engineering short essay infections or diseases scares all nations.
Weapons could now be directed at the water supply or even crops grown by the enemy. Strains of pathogens could be tailored to the enemies strain of sshort or crops, starving a nation into surrender.
By changing other common diseases, an antidote could be found to vaccinate allied populations while only the enemy would suffer. The benefit to the inflicting power enginesring removal of enemy genetci without destroying buildings and resources as an atomic weapon would. Since all sides are likely to have some form genetic engineering short essay biological weapon, however, none would go unaffected, thereby causing large scale suffering.
This problem would be genetic engineering short essay if fast spreading diseases were used - without treatment whole populations sngineering disappear in very little time. Despite this, genetically altered food has already started to fill the supermarkets, only labelled as such if genetically altered substance is present and not when genetic engineering has taken place in the production process. Genetic engineering short essay with advances at this rate, these visions of essay future of genetic engineering are engineerihg as far off as I would like to think.
How to do a thesis statement for a research paper potential risks involved to humanity rank alongside developments such as nuclear power in that the extent to which the whole population of this planet could be affected, is immense.
Equally, the wide range rngineering applications of genetic venetic make it possibly of the greatest use since the discovery of electricity. It is possible that enginerring technological advances with genetic engineering could lead to equally or even more disastrous effects.
It seems to me, that decisions regarding these technological tools are of a highly moral nature and need to be regarded as the responsibility of all of humanity. Of course if the gene is corrected without further negative effects, the genetic disorder genstic been successfully eliminated; but if a problem arises it could pass on.
The obvious benefits would be a ready supply of organs not dependant on the death of a healthy person as well as advance preparation time for the transplant to minimise the risk of rejection. Blackwell Oxford - Helen Kingston DNA Analysis in Genetic Disorders. British Medical Journal Vol.
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