The mutation in cystic fibrosis is on which chromosome ?
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.
7p
7q
5p
5q