Biology
Pie Chart of the Human Genome by Function
Last reviewed on 2026-05-22.
Biology — verifiable data, editable template
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Of the 3 billion base pairs in the human genome, only about 1.5% codes for proteins. The rest includes regulatory sequences, RNA genes, repetitive DNA, and sequences of unknown function.
The data
- Repetitive / transposable elements — 50 %
- Regulatory & noncoding — 25 %
- Introns — 21 %
- Other intergenic — 2.5 %
- Protein-coding genes — 1.5 %
Source
ENCODE Project (NIH) and Human Genome Project.
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