unit 4 small scale mutations Flashcards
(2 cards)
1
Q
Types of small-scale mutations
1. Missense mutations
2. slient mutation:
A
- Missense mutations:
-subsitution of base in coding sequence
-makes wrong amino acid
ex. sickle cell anemia - silent mutations:
-substiution of base
-results in the correct amino acid
2
Q
Types of small-scale mutations
3. nonsense mutations
4. frame shift mutations
A
- frame shift mutations:
-deletion or insertion
-changes the frame reading
-makes a non functional protein - nonsense mutations
-substiution of base
-makes a wrong stop codon