CFTR and autosomal recessive disease: This autosomal recessive disease is caused by a defective membrane protein known as cystic fibrosis transmembrane conductance regulator (CFTR), which causes an abnormal transport of chloride/sodium and water across the epithelial surfaces in the gastrointestinal and respiratory tracts, the reproductive system, and the sweat glands due to the thick and viscous secretions that it forms [9,10].