This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Homogentisate oxidase deficiency causes ? 
Select and explain. 
A. Phenylketonuria, B. Alkaptonuria, C. Methylmalonic aciduria, D. Albinism
B: Alkaptonuria
Answer: B: Alkaptonuria 
Explanation: Ans. is 'b' i.e., Alkaptonuria