A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
1 Objective can be defined as not being influenced by personal feelings or opinions. 2  Subjective can be defined as based on personal opinion.  A statement that is completely unbiased is objective whereas a statement that is characterized by the thoughts and the views of the speaker is subjective.
Objectives. There is often much confusion between goals and objectives. Whereas as a goal is a description of a destination, an objective is a measure of the progress that is needed to get to the destination.The following table serves to illustrate the difference between goals and objectives.here is often much confusion between goals and objectives. Whereas as a goal is a description of a destination, an objective is a measure of the progress that is needed to get to the destination. The following table serves to illustrate the difference between goals and objectives.