9.1 Mutations Flashcards
1
Q
What is a mutation?
A
A random change in the amount or arrangement of genetic material
2
Q
What is a substitution mutation or a point mutation?
A
Where 1 base is swapped with another
3
Q
What is it called when 1 or more nucleotides are placed and removed from dna?
A
Insertion
Deletion
4
Q
What is a nonsense?
A
Where the stop codon is accidentally made and the protein is truncated
5
Q
How can a mutation affect enzymes?
A
Protein changes shape
Enzyme no longer complementary
6
Q
What happens if one base is fully deleted and what is it called?
A
All triplets past the deletion shift to the left
A frame shift
7
Q
What is it called when one base is changed but it still codes for the same protein?
A
A silent mutation
