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A member asked:
Do lots of people get cystic fibrosis, or is it unusual?
A doctor has provided 1 answer
Depends on ethnicity: CF is a genetic condition inherited from carrier parent. Carrier frequency depends on the ethnic background . 1/25 caucasians have one copy of normal, one copy of a mutated CF gene. Both genes have to be mutated to have cf. Hispanic carrier frequency 1/50, africanam 1/70 , Asian 1/90. 1/5000 babies are born with cf, this may be decreasing, since pregnant females are now screened for CF
Answered 3/8/2015
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