Question

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 ?

• A. 11
• B. 33
• C. 333
• D. 1

Answer 1

Answer: (B)

33

Answer 2

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