Mutations Flashcards
1
Q
What are mutations?
A
A random change in an organism’s DNA.
2
Q
What increases the risk of mutations?
A
Carcinogens and certain types of radiation
3
Q
What are the 3 types of mutation?
A
Substitution, insertion and deletion
4
Q
What is substitution?
A
When one of the bases is changed for another random base
5
Q
What is insertion?
A
When an extra base is inserted into the sequence
6
Q
What is deletion?
A
When a base is randomly deleted from the sequence.
