Process

Gene Expression

Gene expression

The regulated use of information in a gene to make functional RNA or, for protein-coding genes, protein.

Overview

EXPLORE BY LEVEL

Gene expression is how a cell uses a gene's information. It may make an RNA molecule, a protein, or both in steps; not every gene makes a protein.

Quick Facts

AT A GLANCE
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See how Gene Expression links to other biological records.

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Recommended Reading

Trusted references for learning more about Gene Expression.

Research Claims

Expression is a multilevel, cell-state-dependent process. RNA abundance is one measurement and may not equal protein abundance or functional activity.