Genetic tests are laboratory procedures that identify changes in our genes. Most human disease results‚ in whole or in part‚ from alterations in genes. Because the tests are expected to have incredible predictive power and because they may tell us personal information before we are ready to receive it‚ testing requested by a third party could be considered an infringement on privacy. Furthermore‚ the technology is new and thus subject to errors in interpretation that could result in unfair discrimination
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explanation of phobias Genetic factors One biological explanation for the cause of phobic disorders suggests that we can relate it back to our genetics. This theory values the ‘nature’ side in the nature vs nurture debate. This theory uses twin studies to try and separate genetic factors from environmental factors in order to draw a causal conclusion between genetics and phobias. If a closer concordance rate was found between MZ and DZ twins we could suggest a genetic inheritance for the phobia
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Outline and evaluate genetic factors in aggression The use of twin studies helps explain how there could be genetic factors in aggressive behavior. There are two types of Twin‚ monozygotic (identical) and Dizygotic (non-identical). If both types are studied in terms of aggression and the M-Z twins are more similar in aggressive behaviour it would suggest there is a genetic influence on aggression. Coccaro et al found that when comparing MZ and DZ twins‚ over 50 % of variance in aggressive behaviours
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Genetic disorders are one or more abnormalities in genomes‚ a genetic disorder is usually apparent at birth. Genetic disorders are usually rare and impact one in several thousands‚ if not millions. Prader-Willi Syndrome is a genetic disorder that causes obesity‚ intellectual disability‚ and shortness in height. PWS was first described by Swiss doctors Andrea Prader‚ Alexis Labhart‚ and Heinrich Willi in 1956 based on the clinical characteristics of nine children they examined. PWS is recognized as
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Biology Hartzog January 26‚ 2013 Biotechnology Ethics- Prenatal Genetic Screening Prenatal Genetic Testing has become one of the most prominent and influential advances in clinical genetics today. Every year‚ hundreds of couples request screening services‚ hence‚ subjecting themselves to the results of the diagnosis. For some‚ the information may be a sigh of relief‚ and for others a whisper of warning. The concept of Prenatal Genetic Screening has only recently surfaced for controversy. In consequence
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GENETIC MUTATIONS THAT CAUSE SKIN CANCER 2 Cancer begins when one or more genes change from their normal form. This either creates an abnormal protein or no protein at all‚ both of which cause mutated cells to multiply uncontrollably. (Association‚ 2011) Melanoma can either be caused by inherited genes or defects that are caused from environmental factors‚ such as exposure to too much sun. However‚ according to the Centre for Genetics Education‚ all cancers can be considered genetic
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CASE STUDY The Ethics of a Genetic Screening Study for Antisocial Personality Disorder With Mesoamericans Case Study in the Ethics of Mental Health Research Maria-Virginia Rodriguez‚ MD‚ FACS Abstract: This article contains an analysis of a research ethics committee’s (REC) concerns about a study protocol involving genetic screening for antisocial personality disorder. The study was proposed by US university researchers and to be conducted with Mesoamerican populations in the United States
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Same Rhine Genetics Update Conference After the conference‚ I learn that quantitative human traits are easily quantify because of the continuous distribution in a population. Some example are height‚ weight‚ blood glucose level and common disease which are model by a bell shaped curve where most people falls in the average region. In the flipping pennies model‚ polygenes are addictive or cumulative and reassortment is the mixing of genes and genetic material from parents into new combinations of
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What is the likely role of genetic transmission in schizophrenia? Schizophrenia has been defined as a “significant loss of contact with reality‚ often referred to as psychosis” (Butcher‚ Mineka‚ Hooley & Carson 2004 p.458). Although schizophrenia is termed as one illness‚ it is more likely that it is a combination of disorders with “a variety of etiologies‚ courses and outcomes’ (American Psychiatric Association 1997 p.49). The symptoms of the illness include hearing voices and a conviction that
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Heritability Why are twin studies valuable in behavioral genetics research? -Twin studies are valuable in behavioral genetics research because of the argument of nature versus nurture. If 2 twins‚ particularly identical twins‚ raised the exact same way turn out very differently‚ it is because there is something different in them genetically that determines their differences. What does the research say about the effect of environment on IQ scores in poor homes versus affluent homes? What does
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