how does nuclear radiation break down the genetic strands?

Question: how does nuclear radiation break down the genetic strands?
- Keywords:
  genetic,
  nuclear,
  radiation,
  strands
Asked by 925genm52 to David, Gemma, Juhi, Matt, Stéphane, Yinka on 13 Mar 2018.
- Stéphane Berneau answered on 13 Mar 2018:
  
  When cells are exposed to ionizing radiation, radiochemical damage can occur either by direct action or indirect action (using free radicals). Genes will be damaged…however, in humans, we have a reparation system.
  
  I have found a little video for you:
  
  Enjoy

Question: how does nuclear radiation break down the genetic strands?