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Results 1 - 2 of 2 for Ring chromosome
  1. ... defect Double aortic arch is very rare. Vascular rings make up a ... often present in people with certain chromosome abnormalities.
  2. ... it may be due to a problem with chromosome 11. Most of the time, it occurs in people with no family history of the disease. The estimated number of people who develop this condition varies greatly. Males and females are equally affected.