<prompt> The mutation in cystic fibrosis is on which chromosome ?7p7q5p5q  <response>: Ans. is b i.e., 7q Cystic fibrosis Cystic fibrosis is an inherited disease of the mucus and sweat glands. Cystic fibrosis follows on autosomal recessive transmission. There is a defect in ion transpo of epithelial cells that affects fluid secretion in i Exocrine glands pancreas ii Epithelial lining of respiratory, gastrointestinal and reproductive tract. 