Biological effects of radiation on the epigenome
Ionizing radiation can cause biological effects which are passed on to offspring through the epigenome. The effects of radiation on cells has been found to be dependent on the dosage of the radiation, the location of the cell in regards to tissue, and whether the cell is a somatic or germ line cell.
Source: Wikipedia — Biological effects of radiation on the epigenome (CC BY-SA 4.0)