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
'hn RNA' is associated with which of the following heamatological condition? 
Select and explain. 
A. a - Thalassemia, B. Sickle cell anaemia, C. B - Thalassemia, D. None
C: B - Thalassemia
Answer: C: B - Thalassemia 
Explanation: hn RNA is seen in case of splicing defect. It is also seen in spiral muscular atropy.