What does mutational mean?
Mutational is an adjective meaning connected with mutation, particularly a change in the DNA of a cell or organism. It is used in genetics, medicine, evolutionary biology, and related fields to describe the processes involved in altering genetic material, the changes that occur in DNA, or the consequences of those changes. For example, a mutational signature can reveal a characteristic pattern of DNA changes associated with a particular disease or source of damage, while mutational load refers to the burden of harmful mutations carried by an organism or population. The word can also imply that something has been produced by mutation. Because it is a precise scientific adjective, mutational is more common in formal research, medical, and biological writing than in ordinary conversation. It should not be confused with mutation, the noun naming the change itself, or mutant, which describes an organism or cell that carries one.
Relating to, caused by, or occurring through mutation, especially a change in genetic material.
"Mutational changes in the virus made the vaccine less effective."
Common in genetics, medicine, evolutionary biology, and other scientific contexts.
A mutant, especially an organism whose characteristics result from a genetic mutation.
"The mutation can be passed on to the next generation when the mutational individual reproduces."
Rare compared with the adjective sense and largely confined to specialist biological usage.
Every mutation begins as a mutational change, but what makes this word memorable is its role in explaining the genetic differences that can drive evolution and disease.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does mutational come from?
Mutational derives from mutation, which comes from Latin mutatio, a noun meaning “change,” from mutare, “to change.” The same Latin root also underlies mutable, mutability, and mutant, as well as the verb mutate. The scientific sense of mutation developed as biology increasingly used the term for changes in hereditary material.
Related word forms
How mutational is actually used
This is primarily a scientific term, especially common in genetics, medicine, evolutionary biology, and related research. It is formal and technical rather than everyday.
Easily confused with mutational
Mutation is the noun for a genetic change, whereas mutational is the adjective relating to such a change.
A mutant is an organism or cell carrying a mutation, whereas mutational describes the change itself or its consequences.