27MutationsMedium1 mark
Which types of mutation in the coding region of a gene always result in a change in the primary structure of a polypeptide chain?
| deletion | insertion | substitution | |
|---|---|---|---|
| A | ✓ | ✓ | ✓ |
| B | ✓ | ✓ | ✗ |
| C | ✓ | ✗ | ✓ |
| D | ✗ | ✓ | ✓ |
key
✓ = mutation always results in a change in the primary structure of a polypeptide
✗ = mutation might not result in a change in the primary structure of a polypeptide