Final answer:
Friedreich's Ataxia is a genetic disorder caused by a mutation in the FXN gene, resulting in a decrease in the frataxin protein. It is a rare disease that affects the nervous system and can manifest in childhood or adolescence.
Step-by-step explanation:
Friedreich's Ataxia is a genetic disorder that affects the nervous system. It is caused by a mutation in the FXN gene, which leads to a decrease in the frataxin protein. Frataxin is important for the normal functioning of mitochondria, the powerhouse of the cell. The mutation in the FXN gene results in the progressive degeneration of the nervous system, leading to symptoms such as poor coordination, muscle weakness, and impaired speech.
In terms of incidence, Friedrich's Ataxia is considered a rare disease. It is estimated to affect about 1 in every 50,000 individuals worldwide. The condition typically manifests in childhood or adolescence, although the age of onset and severity can vary.