Definition of Degeneracy



Degeneracy of the codons is depicted by the heterogeneity of the combinations of three base pair codon that are specific for the amino acids. Hence, we can say that the redundancy of the genetic code is the degeneracy of the codons. Synonymous mutations arise because of this phenomenon.

 


The genetic code is universal and it is defined as a set of three-letter combination of the nucleotides which is known as a codon. Each codon encodes for a specific amino acid or may act as a stop signal. The four nucleotides have an ability to form 64 combinations of three-letter nucleotide sequences. Out of these 64 codons, 61 codons are specific for the amino acids and the rest three are the stop codons.

 

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