BIOINFORMATICS
Gene expression clusters dendrogram
Gene expression cluster dendrogram
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Open it in the AI editor with a prompt pre-filled — keep what works, change what doesn't.
CASE ANALYSIS
Scenario
A research team needs to explain two expression patterns found during an exploratory analysis.
Key decisions
- Cluster labels: Name each group by the biological process it represents.
- Distance scale: Keep the merge distance visible so readers can compare separation.
- Cut threshold: Mark a cut at 3 to turn the hierarchy into an initial grouping.
When to reuse this
Use this structure when a small set of genes needs a readable hierarchy before a larger heatmap or statistical analysis.
FAQ
Frequently asked questions
What does a gene expression dendrogram show?
It shows how genes or samples group together by similarity in their expression profiles. Branches that merge lower are more similar under the chosen distance measure.
What is the cut on this dendrogram?
The cut at 3 is a threshold used to turn the hierarchy into separate clusters. Changing it can merge groups or split them into smaller ones.
Should I include every gene in one dendrogram?
For a card-sized diagram, show the genes needed to explain the finding. Put a large full-tree analysis in a supplementary view.
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phylo-gene-expression-clusters-dendrogram