Cystic fibrosis in adults.

Cystic fibrosis in adultsCystic fibrosis is the commonest semilethal genetic disorder in Caucasians.Its gene frequency is about 1:20 and it is transmitted as an autosomal recessive trait.Thus roughly one in every 2000 children is born with the disease, girls and boys in equal numbers.The disease is less common in blacks and mongoloid people.The biochemical sequence that leads to widespread dys-