Menkes Kinky hair syndrome is characterized by a congenital deficiency of: (A) Serum ceruloplasmin, (B) Serum copper, (C) Ferochelatase, (D) Copper binding ATPase
Answer is D. Menkes disease ("Kinky" or "steely" hair disease) is a disorder of copper metabolism due to mutations in the gene for a copper-binding P-type ATPase, i.e. ATP7A gene.