Gaucher disease has no cure. Treatment options for types 1 and 3 include medicine and enzyme replacement therapy, which is usually very effective. There is no good treatment for the brain damage of types 2 and 3.
Answer:
All animals need food to survive.
Explanation:
Mutations result from an error in DNA replication, should it be from an alien source (like radiation) or simply a mistake in replication.
Migration of organisms to a new population would alter the DNA by adding new genes, but it would not mutate them.