regulatory gene

American  

Or regulator gene

noun

Genetics.

1. any gene that exercises control over the expression of another gene or genes.

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Etymology

Origin of regulatory gene

First recorded in 1960–65

Example Sentences

Modifying one such regulatory gene in maize gives a 10% higher yield—a major gain compared with the 1% increase per year achieved by traditional plant breeding.

From Science Magazine

For example, the analysis found that coelacanths and tetrapods share a regulatory gene sequence that helps to promote limb development.

From Nature