Cystic fibrosis is a genetic disorder that’s caused by mutations in the CFTR (Cystic Fibrosis Transmembrane Regulator) gene. A quick look at the function and purpose of the CFTR gene can help you understand what causes cystic fibrosis. What Causes Cystic Fibrosis – About The CFTR Gene The CFTR gene is located on chromosome 7. […]