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Solution


Q.

If there are 999 bases in an RNA that code 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]
1 11  
2 33  
3 333  
4 1  

Ans.

(2)

1 codon consists of 3 bases. Therefore, a deletion on 901 position will affect 33 codons.