Molecular Basis of Inheritance Question 53

53. If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

[2017]

(a) 11

(b) 33

(c) 333

(d) 1

Show Answer

Answer : b

Hints & Solution

(b) If deletion happens at $901^{\text{st }}$ position then the remaining 98 bases specifying for 33 codons of amino acids will be altered.