Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Gene regulation refers to the control of gene expression, determining which genes are turned on or off in response to internal and external signals. It is crucial for cellular processes such as development, homeostasis, and adaptation.
This field studies heritable changes in gene activity without altering the underlying DNA sequence itself. It involves modifications like DNA methylation and histone acetylation that affect how genes are regulated.