There are 3 types of mutations that are possible.InsertionSubstitutionDeletionIf we use a bit of logic and knowledge to figure out what eachaction does, then we can find out the answer.Insertion will the Insert.Substitution will be Substitute.Deletion will be Delete.To insert would mean to put into.To substitute would mean to replace.To delete would mean to take away.Using that knowledge we can assume that the type of mutationthat occurred is deletion.