DNA, Memory and Resonance — Where Science Ends and Metaphor Begins

Why DNA invites mythology

Few scientific objects have become cultural symbols as powerful as DNA. Its double helix appears in advertising, spirituality, crime stories, ancestry marketing and science fiction. We describe experiences as "in my DNA" when we mean they feel fundamental. We speak of cultural DNA, brand DNA, even the DNA of a city. The metaphor works because DNA is genuinely a system of inheritance. But cultural language quietly expands that fact until DNA begins to sound like a vault containing every ancestral experience. Biology does not support that interpretation.

What DNA actually stores

DNA is a polymer whose sequence of nucleotide bases carries information used by cells. Genes contain sequences involved in producing functional RNA molecules and proteins, while vast regulatory regions help control when and where genes are used. The genome is not a blueprint in the simple architectural sense. The same genome exists in a neuron and a skin cell, yet the cells look and behave differently because different genes and regulatory programmes are active. Development emerges from genes interacting with cellular context, signalling, physical forces and environment.

The epigenome: instruction about the instructions

The epigenome includes chemical modifications to DNA and DNA-associated proteins that influence gene activity without changing the underlying DNA sequence. DNA methylation and histone modifications are two widely studied examples. These marks help cells maintain identity: a liver cell and a neuron preserve different patterns of gene activity even though they contain essentially the same genome. The National Human Genome Research Institute describes the epigenome as a set of chemical compounds and proteins that can help turn genes on or off and influence how DNA instructions are used.

Can epigenetic marks be inherited?

Some epigenetic information is copied when cells divide. Across generations the picture is more constrained. Much of the epigenome is reset during reproduction and early development, but some epigenetic effects can escape resetting or be transmitted under particular circumstances. Animal studies provide strong examples in certain systems; human transgenerational evidence is more difficult to establish because genetics, shared environment, nutrition, social conditions and exposure histories are hard to separate. The important point is that "can sometimes influence descendants" is scientifically different from "stores ancestral memories."

What DNA does not appear to contain

There is no established mechanism by which a grandmother's visual memory, a grandfather's sentence or an ancestor's specific emotional episode is encoded into germline DNA as a retrievable narrative. Genes can influence brain development and temperament; inherited biological changes can alter stress sensitivity; culture can transmit stories and behaviour. None of these processes is the same as inheriting a movie of someone else's life. The phrase "genetic memory" can be used in biology for inherited behavioural predispositions in species, but it should not be confused with autobiographical memory.

Where resonance enters

Resonance is another word that moves between science and metaphor. In physics, resonance has precise meanings involving systems responding strongly at particular frequencies. In everyday life, something "resonates" when it feels emotionally or conceptually aligned. Rupert Sheldrake's morphic resonance goes further, proposing a controversial non-local inheritance of patterns. These three uses should not be collapsed. A poem can resonate with a reader without creating a measurable physical field. A molecule can exhibit physical resonance without carrying collective memory. Language becomes clearer when each level keeps its own rules.

Culture is inheritance without DNA

Humans inherit vast amounts of information through imitation, teaching and institutions. A recipe can cross ten generations with no genetic encoding. A lullaby can survive migration. A fear can be taught without being named. A family can transmit attitudes toward money, authority, touch, work or silence. Because these patterns shape the nervous system from childhood, they can feel bodily and ancestral. Cultural transmission is powerful enough that we do not need to force every inherited pattern into genes.

The genome as an archive — carefully

It is still reasonable to call DNA a kind of biological archive if we specify what the archive contains: sequence information shaped by evolutionary history. Genes carry traces of descent. Comparative genomics can reveal relationships among species and populations. Ancient DNA can reconstruct migrations and ancestry. In that sense, DNA remembers through structure, not consciousness. It does not remember what happened at a particular dinner; it preserves molecular inheritance across reproduction.

Why the metaphor is worth keeping

Metaphors are not errors unless we forget that they are metaphors. "DNA memory" can evoke continuity across generations. "Resonance" can evoke the way one pattern awakens recognition in another. These images can inspire art, fiction and philosophical inquiry. Madame Monsieur can use them without presenting speculation as established mechanism. In fact, the boundary can become part of the story: what changes when a scientific term leaves the laboratory and enters myth? What do we gain, and what do we accidentally smuggle across?

The deeper question

Biology already contains enough wonder without exaggeration. A single fertilised cell can generate tissues with radically different functions while preserving the same genome. Chemical marks regulate access to inherited sequence. Nervous systems learn from experience. Culture moves information between unrelated brains. Writing sends memory across millennia. Perhaps the question is not whether DNA secretly contains every layer of human memory. Perhaps it is how many different memory systems a human life inhabits at once — genetic, cellular, neural, social, written — and why we keep trying to name them with one word.

Editorial source notes

• National Human Genome Research Institute, Epigenomics Fact Sheet.

• NHGRI Genetics Glossary, 'Epigenetics,' updated July 31, 2026.

• Mainstream genetics and developmental biology literature on gene regulation, inheritance and the limits of claims about transgenerational autobiographical memory.