Some mechanisms producing new genetic information:
- Gene duplication
- Exon shuffling
- Regulatory site shuffling/duplication
- Recombination
- Horizontal genetic transfer
- Transposon insertion
- Viral insertion
See also:
Information theory and creationism (probably the best place to start)
Mutations can add information
Mutations can produce something new
Email exchange over Lee Spetner’s claims about mutation and new function