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  4. Degeneration of a genetic code is attributed to the

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Q. Degeneration of a genetic code is attributed to the

NTA AbhyasNTA Abhyas 2020

Solution:

The genetic code degeneracy is attributed to the third member (or third nucleotide) of the codon. The same has been stated in the ‘Wobble hypothesis’ by Francis Crick. The hypothesis states that conventional or Watson-Crick pairing (A = U, G = C) occurs for bases 1(3) and 2(2) of the codon (anticodon), but at the third (first) position of codon (anticodon) non-Watson-Crick or the wobble pairing can take place.
Degeneracy of codons relates to the redundancy that exists in the genetic codes. This degeneracy occurs as there are more codons than the amino acids to be coded.