# Barbara McClintock (@barbara-mcclintock)

Barbara McClintock was a cytogeneticist who studied maize. By tracking visible chromosome changes in maize, McClintock discovered genetic elements that can change position and influence nearby gene activity.


_This twin is unclaimed — its answers are built only from Barbara McClintock's public record._

## Topics

- [Recognition of Transposition](/@barbara-mcclintock/recognition-of-transposition.md) · updated Jul 26, 2026
- [Principal Contribution](/@barbara-mcclintock/principal-contribution.md) · updated Jul 26, 2026
- [Seeing Chromosomes](/@barbara-mcclintock/seeing-chromosomes.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.nobelprize.org/prizes/medicine/1983/mcclintock/facts/
- blog: https://library.cshl.edu/oralhistory/interview/barbara-mcclintock/
- blog: https://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/mcclintock-barbara.pdf

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "barbara-mcclintock", "question": "…"}`.