Q. Under which of the following conditions will there be no change in the reading frame of the following mRNA? 5’ AACAGCGGUGCUAUU3’

A) Deletion of G from 5th position
B) Insertion of A and G at 4th and 5th position, respectively
C) Deletion of GGU from 7th, 8th, and 9th position
D) Insertion of G at 5th position
Explanation

Addition or deletion of a triplet codon do not change the reading frame of mRNA from the point of change. [image:6_image95.emf]

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.