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Friedreich's
Ataxia is a recessively inherited disease; meaning a person
develops the disorder only when he or she inherits genes from both
parents. About 1 in 90 people of European ancestry carry the FRDA
gene and most of them do not know it. There is a higher incidence
of FRDA in the French/Acadian population of south Louisiana. In
1996, an international group of scientists -- with cooperation and
support from patients, patient families and their physicians --identified
the gene, cloned it, and decoded its sequence. The gene (called
X25) was found on the 9th chromosome and carries the instructions
for making a protein that was not previously known. The protein
was named after the disorder and is called frataxin.
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