Overall 1/3700: Acording to the CF foundation: the overall birth prevalence is 1/3700 . It can occur in any race, however the greatest incidence is in caucasians of northern european descent, being 1/2500. The other major groups affected are hispanics 1/13500, african americans 1/15000. More than 10 million of us carry one part of the defective gene, but to have the disease you must have a copy from both parents.
Answered 11/30/2016
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From 1 in 2000: For caucasians, the odds are 1 in 3500, and 1 in 20 parents are carriers of the gene. For hispanics 1 in 92-9500, for african americans 1 in 15-17, 000, for Asian americans 1 in 31, 000.
Answered 2/19/2015
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