This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Genetics, Subject name: Biochemistry
Gene therapy is successful for the treatment of - 
Select and explain. 
A. Adenosine deaminase deficiency, B. Krabbe's disease, C. Hodgkin's lymphoma, D. b thalassemia
A: Adenosine deaminase deficiency
Answer: A: Adenosine deaminase deficiency 
Explanation: Ans. is 'a' i.e., Adenosine deaminase deficiency* Gene therapy is available for:# X linked Severe Combined Immunodeficiency (SCID)# Adenosine Deaminase - SCID# Hemophilia# Chronic Lymphocytic Leukemia# Acute Lymphocytic Leukemia# Adrenoleukodystrophy# Parkinson's disease# Multiple Myeloma