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: Microbiology
Chediak-Higashi syndrome, true is? 
Select and explain. 
A. Defect in phagocytosis, B. Neutropenia, C. Agammaglobulinemia, D. IgA deficiency
A: Defect in phagocytosis
Answer: A: Defect in phagocytosis 
Explanation: Ans. is 'a' i.e., Defect in phagocytosis