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The genetic code describes the correspondence between the sequence of nucleotides in mRNA or the antisense strand of DNA and the sequence of amino acids in a polypeptide. It is universal, meaning the same codon codes for the same amino acid across all organisms. It is non-overlapping, as each codon is read independently without sharing bases. It is degenerate because multiple codons can specify the same amino acid, and it is unambiguous because each codon specifies only one amino acid.

1. (a)
2. (b)
3. (c)
4. (d)

Correct answer: (c)

Solution

The question describes the properties of the genetic code, such as universality, non-overlapping nature, degeneracy, and unambiguity. Option (c) correctly matches the description provided.

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