---
title: "Changes to Get gene counts per chromosome by taxon and annotation name"
method: GET
path: "/gene/taxon/{taxon}/annotation/{annotation_name}/chromosome_summary"
---

# Changes to Get gene counts per chromosome by taxon and annotation name

`GET /gene/taxon/{taxon}/annotation/{annotation_name}/chromosome_summary`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 13 revisions.

- **2025-02-08** `00bdccfc6283`: 1 breaking, 1 info
- **2023-11-14** `b4da81b65e0a`: 1 info

## Changes

- **2025-02-08** `00bdccfc6283`: 1 breaking, 1 info
  - removed the media type `application/json` for the response with the status `default`
  - added the media type `text/plain` for the response with the status `default`
- **2023-11-14** `b4da81b65e0a`: 1 info
  - added the optional property `gene_chromosome_summaries/items/accession` to the response with the `200` status

---

[Operation](https://skmtc.dev/ncats/apis/ncbi-datasets-api/docs/gene/taxon/:taxon/annotation/:annotation_name/chromosome_summary/get.md) - [API](https://skmtc.dev/ncats/apis/ncbi-datasets-api.md) - [Page](https://skmtc.dev/ncats/apis/ncbi-datasets-api/changes/gene/taxon/:taxon/annotation/:annotation_name/chromosome_summary/get)