Mutations definition
Mutations are a change in an organisms DNA either the quantity or structure is altered.
Mutations are changes to the genome.
Without external factors influenrate, mutations occur
Randomly, spontaneously and rarely.
Mutagenic agents - Radiation
UV Radiation, X rays or gamma rays.
Mutagenic agents - Chemicals
Mustard gas, barbecuing or Benzoyl peroxide.
Mutagenic agents - Infectious
HPV or Helicobacter pylori
Mutations can result in -
No protein or an altered protein being produced.
How can mutations be classified
Neutral, advantageous or disadvantageous.