1-310-919-0950 log in | sign up studymode. Com essays browse essays acceptance & admissions essays arts & humanities biographies book reports business & economy computers & internet education english composition entertainment governments health history miscellaneous news & media recreation & sports religion & spirituality science social science society & culture book notes ap notes more more features citation tool blog about site map help contact essays » life sciences huntington's disease by studymode, oct 1999 | 4 pages (754 words) | 995 views | report | this is a premium essay sign up to access full essay tweet huntington's disease huntington's disease, or huntngton's chorea, is a genetic disease that causes selective neural cell death, which results in chorea, or irregular, jerking movements of the limbs caused by involuntary muscle contractions, and dementia.   it can cause a lack of concentration and depression.   it also may cause atrophy of the caudate nucleus, a part of the brain. buy viagra online   however, symptoms vary between individuals, with some sufferers showing symptoms that others do not. difference between viagra viagra viagra   those suffering from huntington's disease normally begin displaying symptoms between the ages of 30 and 50, but has been known to show itself in people as young as two and as old as 80. buy generic viagra cheap Huntington's disease is inehrited from one of the victim's parents. viagra time of action Since the gene for hd is dominant, there is a 50% chance of a sufferer's offspring inheriting the disease.   because a victim usually does not begin to display symptoms until after the period in which he or she would have children and the disease may have been misdiagnosed in earlier generations as parkinson's disease or other similar affliction, he or she might pass along the gene without even knowing it. viagra on line from canada The gene for huntington's disease is located on the short arm of chromosome four in cytogenetic band 4p16. 3.   it was first identified in 1993. viagra coupon.com While everyone possesses this gene, in someone suffering from huntington's disease, the number of repeats of a certain trinucleotide, cytozine-adenine- guanine (cag), is much larger than what it is in a normal person.   in an average person, the number of repeats is between 9 and 37. buy generic viagra cheap   but is a sufferer of hd, the repeat count is from 37 to 86.   while nobody has found a direct correlation between the number of repeats and the age when symptoms appear, there is evidence that people with very high numbers of repeats contract the rarer early- onset huntington's disease, which usually affects people under the age of 20. It is estimated that between. 1 and 10 % of people who suffer from huntington's... [continues] read full essay cite this essay apa (1999, 10). buy viagra 100mg Huntington's disease. generic viagra india Studymode. cheap viagra Com. Retrieved 10, 1999, from mla "huntington's disease" studym. generic viagra viagra without a doctor prescription