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  3. Biology
  4. Amino acid Leucine is coded by 6 triplet codons: UUA, UUG, CUU, CUC, CUA and CUG. Which of the following is most relevant for the statement given?

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Q. Amino acid Leucine is coded by 6 triplet codons: UUA, UUG, CUU, CUC, CUA and CUG.
Which of the following is most relevant for the statement given?

NTA AbhyasNTA Abhyas 2020Molecular Basis of Inheritance

Solution:

The genetic code is degenerate mainly at the third codon position. However, the reason for the degeneracy still remains unknown. The genetic code is degenerate because there are many instances in which different codons specify the same amino acid. Genetic codes in which some amino acids may be coded by more than one codon represent degeneracy of codon.