MUTAGENS

=Causes of Mutation= Mutations can be: *Inherited *Spontaneous (errors made during replication) *Induced by a mutagen =Mutagens= Mutagens are environmental factors that induce a change in the base sequence of an individual's DNA. Common mutagens include: *Radiation (UV rays / X-rays etc) *Chemicals (including environmental poisons, diet, etc) *Viruses & some other microorganisms [image:http://i.imgur.com/e45O2gf.png?1]