Molecular basis of heredity · Zoology

The genetic code is described as degenerate because:

  1. It completely lacks defined start codons
  2. A single codon codes for several different amino acids
  3. Multiple codons can code for the same amino acid
  4. It changes frequently
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Correct answer: Multiple codons can code for the same amino acid

The genetic code is degenerate because more than one codon can specify the same amino acid. This provides tolerance against mutations.

Difficulty: Medium Question 17 of 20

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