Correct Answer - Option 2 : DNA
The Correct Answer is DNA.
- A gene is the basic physical and functional unit of heredity, which is made up of DNA.
- Some genes act as instructions to make molecules called proteins.
- Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
- Proteins are large biomolecules or macromolecules that are comprised of one or more long chains of amino acid residues.
