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What is the genetic cause for huntington's disease?

Updated: 8/17/2019
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15y ago

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On the short leg of chromosome 4, in the HTT gene, there is normally a sequence of repeating bases like so: CAGCAGCAG... The CAG codon repeats 10-35 times in a normal person, however a person with HD will have 36-120 repeats of this codon.

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Q: What is the genetic cause for huntington's disease?
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Related questions

What category of genetic disorder is huntingtons disease?

Autosomal Dominant


How do you prevent huntingtons disease swag?

HD is a genetic disease, and currently cannot be prevented.


What causes huningtons disease?

Huntingtons disease is a genetic/inherited diesease. It is caused by a faulty allele (a dominant one), which can be inherited by parents. Spontanoius mutations may also occur which would cause the faulty gene and therefore huntingtons disorder.


Genetic disease that becomes evident between the ages of 30 to 50 which affects the nervous system?

Huntingtons


Autosomal dominant genetic disorder?

An autosomal genetic disorder is Huntington's disease.


Is there any genetic diseases that we've cured yet?

Im not sure about cured but we know the genes that cause some genetic diseases such as huntingtons


How does genetic factors lead to ill-health?

by inherited disorder from both or one parent, such as diabetes, cystic fibrosis, parkinsons disease, huntingtons disease etc.


Can Huntingtons Disease be diagnosed after birth with a simple blood test?

Genetic testing can determine this (which is more involved than just a simple blood test).


Is huntingtons a chromosomal or a genetic disease?

Hungtington's disease is a dominant mutation in the gene that codes for the protein 'Huntington' It only affects a single gene, the remainder of the chromosome is unaffected and therefore it is not a chromosomal abnormality


How can a person be screened for a genetic disorder such as Huntingtons disease?

By genetic testing. This involves laboratory testing on a small blood sample. It will normally be accompanied by family history tracking, and a physical examination, along with counseling.


Symptoms of huntingtons disease?

The symptoms of Huntingtons Disease are, mental deterioration and uncontrollable movements; symptoms usually appear in middle ages.


How can you inherit huntingtons disease?

Huntington's is a genetic disease meaning that it is inherited to offspring of effected parents. If one of your biological parents have it you are at risk. I would ask my doctor for genetic testing to see if I had it.