[Enter Post Title Here] Cystic fibrosis, CF, is the most common inherited disorder that leads to shortened life expectancy, especially among people of Northern European origin. Inheritance: CF is caused by mutations in the CF transmembrane conductance regulator, CFTR, gene. The CFTR protein encoded by this gene functions as a chloride channel, allowing the passage of chloride ions across cell membranes. Because chloride drives water movement, CFTR plays an impo...