NEETZoology-Genetics
NEET Zoology Mutations MCQ Question
Type: MCQ-conceptual-Medium
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
Correct Answer
Option B
Detailed Explanation
A deletion of one base will cause a frameshift mutation affecting all subsequent codons. Since each codon consists of 3 bases, 11 codons will be altered.
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