All DNA is passed from one generation to the next during reproduction. So the correct option is D.
DNA or deoxyribonucleic acid is a polynucleotide molecule. Each nucleotide of DNA is composed of one nitrogen base, one deoxyribose sugar and one phosphate group.
The nucleotides are bonded with each other by the formation of phosphodiester bonds which liberate a water molecule.
The nitrogen base in the DNA is of four types. Adenine, Thymine, Cytosine and Guanine. The DNA is present in a double-stranded form and the nitrogen base is attached to each other in both the strands with the help of hydrogen bonds.
The nitrogen bases join with each other by the base pairing rule. Adenine joins to thymine and guanine joins to cytosine.
DNA a genetic material and a hereditary material. It is responsible for the functioning of an organism and the transmission of hereditary traits from one generation to the next.
Therefore the correct option is D.
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