PATHOLOGY

Detailed explanation-1: -The most common mutation, called delta F508, is a deletion of one amino acid at position 508 in the CFTR protein. The resulting abnormal channel breaks down shortly after it is made, so it never reaches the cell membrane to transport chloride ions.

Detailed explanation-2: -Protein production mutations (Class 1) Protein processing mutations (Class 2) Gating mutations (Class 3)

Detailed explanation-3: -Cystic fibrosis is caused by mutations in the gene that produces the cystic fibrosis transmembrane conductance regulator (CFTR) protein. In people with CF, mutations in the CFTR gene can disrupt the normal production or functioning of the CFTR protein found in the cells of the lungs and other parts of the body.

Detailed explanation-4: -The cystic fibrosis transmembrane conductance regulator (CFTR) protein helps to maintain the balance of salt and water on many surfaces in the body, such as the surface of the lung. The CFTR protein is a particular type of protein called an ion channel.