Answer: Mutation can be both useful and harmful. It can show any type of effect on the body of the organism. This is because its effect is unpredictable.
Step-by-step explanation:
It can be beneficial as as it can create genetic diversity in the population. This genetic diversity can help the organism survive in a better way.
Whereas, any mutation in the body which causes harmful syndromes or diseases are known as harmful mutation.
Example is Phenylketonuria and color-blindness and Tay-Sachs disease, among many others.