Molecular Basis of Inheritance Question 119

119. Under which of the following conditions will there be no change in the reading frame of following mRNA?

5’ AACAGCGGUGCUAUU 3'

[2019]

(a) Insertion of $G$ at $5^{\text{th }}$ position

(b) Deletion of $G$ from $5^{\text{th }}$ position

(c) Insertion of $A$ and $G$ at $4^{\text{th }}$ and $5^{\text{th }}$ positions respectively

(d) Deletion of GGU from $7^{\text{th }}, 8^{\text{th }}$ and $9^{\text{th }}$ positions

Show Answer

Answer : d

Hints & Solution

(d) There will be no change in reading frame of m-RNA by deletion of GGU from $7^{\text{th }}, 8^{\text{th }}$, and $9^{\text{th }}$ position.