Question

Identify the condition under which there will be no change in the reading frame of following mRNA.

5' AACAGCGGUGCUAUU 3'

Options

• Insertion of G at 5^th position

• Deletion of GGU from 7^th, 8^th and 9^th positions

• Deletion of G from 5^th position

• Insertion of A and G at 4^th and 5^th positions respectively

Answer 1

Deletion of GGU from 7^th, 8^th and 9^th positions

Explanation:

      No change in reading frame of m-RNA