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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
Out of 64 codons, 61 codons code for 20 types of amino acid. What is it called as?
  • A
    Wobbling of codon
  • B
    Overlapping of gene
  • C
    University of codons
  • D
    Degeneracy of genetic code
✓

Answer

  1. Degeneracy of genetic code

Explanation:

The genetic code is degenerate in that most amino acids are encoded by more than one codon with the exception of tryptophan and methionine which has only one codon. Codons that specify the same amino acids are called synonyms and these codons usually differ in the last base of the triplet.

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