Definitions for "Regulatory gene"
A gene encoding a DNA-binding protein that functions as an enhancer, a transcription factor, a repressor, or other modifier of gene expression.
A DNA sequence that functions to control the expression of other genes by producing a protein that modulates the synthesis of their products (typically by binding to the gene promoter). (cf. Structural gene).
gene containing information for the regulation (switching on or off) of other genes.