Under which of the following conditions will there be no change in the reading frame of following mRNA
5' AACAGCGGUGCUAUU3'

Options

A. Deletion of GGU from `7^(th),8^(th)` and `9^(th)` positions
B. Insertion of G at `5^(th)` position
C. Deletion of G from `5^(th)` position
D. Insertion of A and B at `4^(th)` and `5^(th)` position respectively

Answer

A