presymptomatic Testing For Huntington Disease Huntington Disease, (HD), is a hereditary degenarative sorcerer disease. Usually begining in mid-life, cells in the caudate nucleus of the viva sex begin to die, causing a relentless disability of knowing ability, emotional control, motor skills, balance and speech. Chorea, or free movements, is virtually always a symptom as well. HD is caused by a single overabundant ingredient. Every child of an alter prove has a 50% chance of inheriting the constituent that causes HD. The HD gene is found on chromosome 4. It is inherited as an autosomal dominant condition.
Since it is not carried on one of the sex chromosomes, mannish and female offspring have the same chance of beingness affected. Presymptomatic testing is a method for identifying persons carrying the HD gene onwards symptoms appear. This ignore be useful for couples who have a tarradiddle of HD in their families and wish to know if they have the HD gene forward decision making upon having children. ...If you want to get a respectable essay, order it on our website:
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