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: Pediatrics
The part of sequence of RNA coding for a protein and it's mutated sequence is given below.

Normal sequence : AGC- GCC- GAA- AGA- AAG- AUG- ACG
Mutated sequence : AGC- GCC- GAA- UGA- AAG- AUG- ACG

Type of mutation shown above is 
Select and explain. 
A. Missense mutation, B. Nonsense mutation, C. Silent mutation, D. Frame shift mutation
B: Nonsense mutation
Answer: B: Nonsense mutation 
Explanation: AGA is mutated to UGA (Adenine is replaced by Uracil) Coding region is converted to Stop Codon. So it is a Nonsense point mutation.