Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses. Germ line mutations occur in the eggs and sperm and can be passed on to offspring, while somatic mutations occur in body cells and are not passed on.

What are some ways mutations can happen?

Mutations can occur during DNA replication^? if errors are made and not corrected in time. Mutations can also occur as the result of exposure to environmental factors such as smoking, sunlight and radiation.

What are the 3 types of mutations that can happen?

There are three types of DNA Mutations: base substitutions, deletions and insertions.