IPA: /mjuˈteɪʃənl/
KK: /mjuˈteɪʃənl/
Relating to or resulting from a change in the genetic structure of an organism.
The researchers studied the mutational effects of the virus on human cells.
Mutational → It is formed from "mutare" (meaning to change) and the suffix "-tion" (indicating the action or process of). The word "mutational" refers to the process of change, particularly in a genetic context.
Think of 'mutare' meaning to change, and remember that 'mutational' relates to the process of change, especially in genetics.