Q. 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) 1
B) 11
C) 33
D) 333
Explanation
[Solution] Position 901 begins codon 301. The frameshift alters codons 301 to 333, i.e. 33 codons. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.