A) the codons degenerate soon after the synthesis of polypeptide chain
B) one codon can code for more than one amino acid
C) the codon is non-functional and cannot code for any amino acid
D) the same amino acid can be coded by more than one codons
Correct Answer: D
Solution :
Codon is said to be degenerate when same amino acid is specified by more than one codons, eg, Alanine is coded by 4 codons, cysteine by 2, leucine by 6, lysine by 2 etc. The other properties of genetic code are (i) The code is triplet (ii) Code is non-overlapping (iii) Code is commaless (iv) Code is non-ambiguous (particular codon will always code for same amino acid) (v) Code is universal.
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