A gene that actively controls the expression of a trait is called a __________ gene.
A) recessive
B) mutated
C) recombinant
D) dominant

Question

Quizplus · Accepted Answer

A dominant gene is one that actively controls the expression of a trait and is able to mask the effects of a recessive gene. This means that if an individual inherits a dominant gene from one or both parents, the trait associated with that gene will be expressed in their phenotype.

A Gene That Actively Controls the Expression of a Trait