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Higher Biology > Mutations > Flashcards

Flashcards in Mutations Deck (7)
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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.

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