How Is CF Caused?
How Is CF Caused? Causes. Cystic fibrosis is an inherited disease caused by mutations in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. The CFTR gene provides instructions for the CFTR protein. How do you get cystic fibrosis? Cystic fibrosis is a genetic disease. People with CF have inherited two copies of