Mutations Flashcards
1
Q
Mutations definition
A
Mutations are a change in an organisms DNA either the quantity or structure is altered.
Mutations are changes to the genome.
2
Q
Without external factors influenrate, mutations occur
A
Randomly, spontaneously and rarely.
3
Q
Mutagenic agents - Radiation
A
UV Radiation, X rays or gamma rays.
4
Q
Mutagenic agents - Chemicals
A
Mustard gas, barbecuing or Benzoyl peroxide.
5
Q
Mutagenic agents - Infectious
A
HPV or Helicobacter pylori
6
Q
Mutations can result in -
A
No protein or an altered protein being produced.
7
Q
How can mutations be classified
A
Neutral, advantageous or disadvantageous.