Mutation that results in a change in the original or normal (wild type) phenotype or genotype; an instance of this; compare earlier back mutation, reverse mutation.
Origin
1930s; earliest use found in American Naturalist.
Definition of forward mutation in US English:
forward mutation
noun
Genetics
Mutation that results in a change in the original or normal (wild type) phenotype or genotype; an instance of this; compare earlier back mutation, reverse mutation.