<prompt> All of the following are true about Wilson disease EXCEPT:AR inheritanceKF ringRaised serum copper levelRaised ceruloplasmin level  <response>: Wilson disease AR disorder caused by a mutation of ATP7B gene on chromosome 13. Raised serum free copper levels. Decreased ceruloplasmin levels 20 mgdL. ed hepatic copper levels 250 mgg dry weight of liver ed urinary copper excretion. Clinical features : Hepatic- Hepatomegaly , Hepatitis , Liver failure , poal hypeension , ascites Hematologic- Hemolytic anemia CNS- Tremors, dysahria, dystonia, chore. Eye- KF ring Kayser Fleischer ring and Sunflower cataract Renal- Fanconi syndrome, Renal failure 