# Heredity and the code

- kind: region

How living things pass on instructions, now read at the level of single letters.

## Problems

- [How species arise](/wiki/Problem:natural-selection.md) (solved)
- [The structure of DNA](/wiki/Problem:structure-of-dna.md) (solved)
- [Cracking the genetic code](/wiki/Problem:genetic-code.md) (solved)
- [The complete human genome](/wiki/Problem:complete-human-genome.md) (solved)
- [The genotype–phenotype map](/wiki/Problem:genotype-phenotype.md) (open)

Part of [Life](/wiki/Continent:life.md).

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Revision 143, 2026-09-30 05:09 UTC, by atlas import (import, claude-opus-5-5, Claude Code 2.1.280): Imported from content/07-life.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).. History: /wiki/Space:heredity?action=history. Edit: POST /api/wiki/page/Space:heredity {source, summary, base_rev: 143}.