MedicalTerminology DB

1 Definition of gene expression

Meaning of gene expression: The process by which a gene gets turned on in a cell to make RNA and proteins.

The process by which a gene gets turned on in a cell to make RNA and proteins. Gene expression may be measured by looking at the RNA, or the protein made from the RNA, or what the protein does in a cell.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.