Genetic Testing or Genetic Screening

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Genetic testing, also known as screening, is a rapidly advancing new scientific field that can potentially revolutionize not only the world of medicine, but many aspects of our lives. Genetic screening is the sequencing of human DNA in order to discover genetic differences, anomalies, or mutations that may prove pathological. As genetic screening becomes more advanced and easily accessible, it presents society with difficult questions that must be asked about the boundaries of science and to what degree we are allowed to tamper with the human genome. To better understand the potential impact of genetic screening on our society, we must examine the potential benefits in comparison to the possible negative impact it may cause. With this knowledge in hand, we can examine what the future holds for this field of study and the best possible direction to take. Prenatal genetic screening in particular is a polarizing topic of discussion, more specifically, preimplantation genetic diagnosis (PGD). PGD is one of the two techniques commonly used to genetically screen embryos in vitro; it is usually done at the eight-cell stage of division. PGD is most often performed when there is the risk that one or both parents carry disease-causing mutations. It is extensively used by high-risk individuals trying to conceive babes who will be free of particular mutations. PGD can test for over 50 genetic conditions and even allows for sex selection if there are underlying gender-associated medical conditions. When the results are satisfactory, the selected embryo is implanted into the mother’s uterus. While a controversial technique, preimplantation genetic diagnosis is one example of some of the good genetic testing can do, more benefits will be furthe... ... middle of paper ... ...ould be allowed to continue but only under heavy scrutiny from regulating bodies. With the proper measures put into place, it can make this a healthier and better world for everyone Works Cited Genetics & Personalized Medicine. (2013). University of Ottawa Heart Institute. Retrieved on February 3, 2014 from: http://www.ottawaheart.ca/research_discovery/genetics-personalized-medicine.htm Coughlin, S. S. (2002). Future challenges for research on diagnostic tests: genetic tests and disease prevention. Journal of Epidemiology & Community Health, 56(5), 335-336. doi:10.1136/jech.56.5.335 Weeks, C. (2012, January 1). Health insurance and 'genetic discrimination': Are rules needed? The Globe and Mail. Retrieved on February 3, 2014 from: http://www.theglobeandmail.com/life/health-and-fitness/health-insurance-and-genetic-discrimination-are-rules-needed/article4197442/

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