Te answer would be C. "Some mutations can be contagious, like infections." Mutations happen regularly and are often so subtle that we do not notice them on a daily basis. Some of them, however, can indeed cause harm.
A scientifically based statement refers to a statement that can be proven or that can be examined scientifically. This type of statement usually support scientific investigations and is based on facts. For the question given above for instance, it can be scientifically proven that certain mutations can be contagious just like infections.
