# DNA > **Machine-Evolution Nexus:** [[articles/Digital Darwinism and the Invisible World of Machine Evolution|Digital Darwinism and the Invisible World of Machine Evolution]] places this concept within the history and governance of substrate-independent evolution. **Domain:** Molecular Biology / Heredity **Doc Type:** Canonical Wiki Node **Maturity:** Developed ## Definition DNA is the primary hereditary polymer of cellular organisms, storing sequence information in nucleotide order and supporting templated replication and expression. ## Machine-Evolution Context The article treats DNA as one material realization of the broader constructor–description logic, while retaining the chemical and cellular specificity of real heredity. ## Continuity and Evidence Boundary DNA is not self-interpreting or self-sufficient. Replication, repair and expression require cellular machinery, energy and environmental context. ## Relationships [[wiki/Nucleic Acid|Nucleic Acid]], [[wiki/Genome|Genome]], [[wiki/Genetic Code|Genetic Code]], [[wiki/Central Dogma of Molecular Biology|Central Dogma of Molecular Biology]] ## Sources / Provenance - Alberts et al., _Molecular Biology of the Cell_; 1953 _Nature_ papers.