Wobble hypothesis-regarding the variation true is
Degeneracy can be explained by wobble hypothesis i.e. base pairing of 3rd nucleotide of a codon (3’ end) with 1st nucleotide of anticodan at 5’ end doesnot strictly follow watson-crick base pairing rule.
3 - end of anticodon
5 - end of anticodon
m-RNA
t-RNA