# Visualizing gene expression in Chromosome view

From the DESeq2 task report, we can browse to any gene in the Chromosome view.

* Click ![Chromosome icon](https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-04cd38e5536f0be01f906e1ab67bbe9d1f7c6980%2Fchromosome-icon.png?alt=media) in the KLHDC7B row to open Chromosome view (Figure 1)

<figure><img src="https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-cace2e3b6f1230017b263831123bd2d51a7dae2c%2Fopen%20chromosome%20view.png?alt=media" alt=""><figcaption><p><em>Figure 1. Browsing to a location in Chromosome View</em></p></figcaption></figure>

A new tab will open showing KLHDC7B in the Chromosome view (Figure 2).

<figure><img src="https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-87ca628733965d2d861c6aab26a069bc88dcd859%2Fchromosome%20view.png?alt=media" alt=""><figcaption><p><em>Figure 2. Viewing in Chromosome view</em></p></figcaption></figure>

Chromosome View shows reference genome, annotation, and data set information together aligned at genomic coordinates.

Each track has Configure track ![Configure track icon](https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-d13c284a59559aca016b66b849e856b87e7b9f48%2Fconfigure-track-icon.png?alt=media) and Move track ![Move track icon](https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-2546c895805caa1e366d02cbdeced29198c47adf%2Fmove-track-icon.png?alt=media) buttons that can be used to modify each track.

The top track shows average number of total count normalized reads for each of the three treatment groups in a stacked histogram. The second track shows the Ensembl annotation.

We can add tracks from any data node using Select Tracks.

* Click **Select tracks**

A pop-up dialog showing the pipeline allows us to choose which data to display as tracks in Chromosome view (Figure 3).

<figure><img src="https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-4d3cdc1e50e27f15ed817187b20efc561cda13a9%2Fselect%20tracks.png?alt=media" alt=""><figcaption><p><em>Figure 3. Choosing tracks to display in Chromosome view</em></p></figcaption></figure>

* Click **Reads pileup** under Aligned reads on the left-hand side of the dialog
* Click **Display selection** to make the change

The reads pileup track is now included (Figure 4).

<figure><img src="https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-191ff84d09eeb899443125c254d66388133db86a%2Fadded%20reads%20pileup%20track.png?alt=media" alt=""><figcaption><p><em>Figure 4. The reads pileup track shows every read in its aligned position on the reference genome</em></p></figcaption></figure>

To learn more about Chromosome view, please consult the [Chromosome View](https://help.connected.illumina.com/partek/partek-flow/user-manual/visualizations/chromosome-view) user guide.

## Additional Assistance

If you need additional assistance, please visit [our support page](http://www.partek.com/support) to submit a help ticket or find phone numbers for regional support.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.connected.illumina.com/partek/partek-flow/tutorials/bulk-rna-seq/visualizing-gene-expression-in-chromosome-view.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
