This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Microbiology
Insitu hybridization is used for:(1994) 
Select and explain. 
A. Diagnosis of specific genetic disease, B. Diagnosis of enzyme deficiency diseases, C. Treatment of genetic diseases, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans: d