Mutations are simply a change in genes. So mutations usually result in variation of an organism that can be good or bad. Some mutations can result in physical and mental disorders like Stockholm disease or down syndrome, Where else some mutations can cause immune to diseases that are harmful.
Genétic problems or diseases
I think it would be: weathering, Deposition
Weathering and erosion are very similar but erosion is when the remains of a rock (in this case) is moved away from the area it was formed
The gene pool of the population will remain relatively constant.