Which part of a dna molecule is responsible for the direct coding of specific traits in an organism?

I would say the nucleotides

Cytosine

Guanine

Adenine

Thymine

The sequence of nucleotide bases in the DNA molecule.

Explanation:

Nucleotides are molecules present in cells formed by nitrogenous bases, phosphate and pentose. They are responsible for the direct coding of specific characteristics of an organism.

Most nucleotides are found together, forming nucleic acids. A small fraction of nucleotides occurs freely.

They participate in many reactions of cellular metabolism, of which the following stand out:

Energy transfer in the form of ATP Chemical messengers Storage and transmission of genetic information