ALL meanings of macromutation
mac·ro·mu·ta·tion
M m - noun macromutation a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes. 1
- noun macromutation A large-scale mutation. 0
- noun macromutation an abnormally great change in the characteristics of a population of animals or plants over relatively few successive generations: hypothesized in the evolutionary theory of punctuated equilibrium, which states that such populations remain stable for long periods of time and evolve into new species through sudden, drastic mutations 0