A mutation on gene X that overrides the effect of a previous mutation on gene Y is called what?

Question

Quizplus · Accepted Answer

A mutation that overrides the effect of a previous mutation on a different gene is called an intergenic suppressor mutation. Choice A (reverse mutation) refers to a mutation that reverses the effect of a previous mutation on the same gene. Choice B (intragenic suppressor mutation) refers to a mutation that occurs within the same gene and suppresses the effect of a previous mutation. Choice D (neutral mutation) refers to a mutation that has no effect on the phenotype. Choice E (forward mutation) refers to a mutation that creates a new phenotype.

A Mutation on Gene X That Overrides the Effect of a Previous