Question

Which disease has failure of Cl' transport mechanism?

• A. Colour blindness
• B. Huntington's chorea
• C. Phenylketonuria
• D. Cystic fibrosis

Answer 1

The correct option is D Cystic fibrosis

• Cystic fibrosis is the most common and best-known genetic disease involving a defect in transepithelial Cl– transport. It affects several epithelial organs, i.e., the lungs, pancreas, and intestine.
  
• Phenylketonuria (PKU) is an inborn error of metabolism that results in decreased metabolism of the amino acid phenylalanine.
• Huntington's disease (HD), also known as Huntington's chorea, is an inherited disorder that results in death of brain cells.
• colour blindness is found only on the X chromosome and its an Recessive X-linked traits.
  
• So, option D Cystic fibrosis is correct answer.