Asian-Americans have the highest probability of either having CF or being a carrier due to the lower occurrence of CF in Africans and Asians compared to Caucasian-Americans.
Asian-Americans have the highest probability of either having CF or being a carrier because CF is least common in Africans and Asians, with Caucasian-Americans having the highest risk. One out of every 3,900 children in the United States is born with CF and about one in 25 people are carriers of the allele for cystic fibrosis.
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