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Genetics: Research
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Magnuson, 50, has more than 19 years of experience in genetics. Prior to joining the University of North Carolina as the Sarah Graham Kenan professor and chair of the department of genetics in 2000, Magnuson held a number of positions in genetics over his sixteen years at Case Western Reserve University (CWRU) School of Medicine. He continues to serve as adjunct professor at CWRU. From 1982 to 1984, he was the assistant research geneticist in the department of pediatrics at the University of California in San Francisco.
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A variety of genetic testing options may be discussed with the genetics personnel, or personnel familiar with genetic testing, during a clinic visit, depending upon information specific to your family and your individual situation. These options might include direct detection of the HD gene on an affected individual and subsequent testing of relatives. The genetic testing of an individual's DNA can be obtained from a blood sample. Tissue samples that have been stored or donated for research from extended family members may ... be useful in genetic testing. Most genetic testing and analysis should be done before a family member begins a pregnancy. The decision by an individual to undergo genetic testing is an intensely personal decision and can be made only by that person.
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It is expected that a student enrolling in the Genetics Program will have completed one year of physics and biology, two years of chemistry, an introductory genetics course, and mathematics through calculus. For the MS and Ph.D. degrees in genetics, students take the core genetics courses, biochemistry (equivalent to BB 550, BB 551), statistics, and graduate-level genetics courses chosen from the list prepared by the genetics faculty. Students participate in research designed to prepare them for careers in genetics. The director of the Genetics Program is Walt Ream, Ph.D.
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Population genetics research studies the distributions of these genetic differences within populations and how the distributions change over time. Changes in the frequency of an allele in a population can be influenced by natural selection, where a given allele's higher rate of survival and reproduction causes it to become more frequent in the population over time. Genetic drift can ... occur, where chance events lead to random changes in allele frequency.
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"Our researchers tap into the world's largest corn germplasm pool to find the best genetics from anywhere in the world that brings greater yields to farmers here in the United States," said Jason Hoag, DEKALB Marketing Manager. "You can see the benefits from that pool in these results."
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Although geneticists originally studied inheritance in a wide range of organisms, researchers began to specialize in studying the genetics of a particular subset of organisms. The fact that significant research already existed for a given organism would encourage new researchers to choose it for further study, and so eventually a few "model organisms" became the basis for most genetics research.[47] Common research topics in model organism genetics include the study of gene regulation and the involvement of genes in development and cancer.
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