DNA is unstable. Lots of stuff cause mutations: background radiation, chemicals, viruses, even our own normal metabolism [1].
[1] https://en.wikipedia.org/wiki/Reactive_oxygen_species#Oxidat...
DNA is unstable. Lots of stuff cause mutations: background radiation, chemicals, viruses, even our own normal metabolism [1].
[1] https://en.wikipedia.org/wiki/Reactive_oxygen_species#Oxidat...