Mapping how a single cell becomes an entire mouse

Image: Nature
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Coverage
Wires & papers of record
- Nature, Published online: 08 October 2026; doi:10.1038/d41586-026-03193-x Gene-editing technologies enabled researchers to trace the cell-by-cell development of a single fertilised mouse egg to a late-stage embryo.
More coverage
- Growing inside each of us is a cellular family tree. Every one of the 37 trillion cells in our body is generated from another cell, going all the way back to a single fertilized egg. Much like we can draw a family tree tracking generations of our ancestors, scientists can also create family trees…