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
Albinism is a genetic disease that results in
incomplete metabolism of: 
Select and explain. 
A. Histidine, B. Cystine, C. Tyrosine, D. Alanine
C: Tyrosine
Answer: C: Tyrosine 
Explanation: None