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The one aspect which is not a salient feature of genetic code, is its being:

1. degenerate
2. ambiguous
3. universal
4. specific

Correct answer: ambiguous

Solution

The genetic code is degenerate, universal, and specific: most amino acids are encoded by more than one codon, the code is largely shared across organisms, and each codon specifies only one amino acid. It is not ambiguous because a given codon does not have multiple possible meanings.

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