radiation genetics
A branch of genetics that studies the effects of radiation on genes and heredity.
Radiation genetics is the field that studies the effects of radiation on the genes of living organisms.
遺伝学 is the broader field of genetics, while 放射線遺伝学 specifically focuses on radiation-induced genetic changes.
Compound of 放射線 (radiation) + 遺伝学 (genetics). A straightforward technical term.