| Number of loci | ||||||
---|---|---|---|---|---|---|---|
 | Rodents | Primates | |||||
Flanking sequence modification | Mouse | Rat | Total (%) | Human | Chimp | Both* | Total (%) |
No modification | 15 | 16 | 31 (23,2) | 1 | 0 | 3 | 4 (16) |
Deletion | 27 | 38 | 65 (50) | 2 | 2 | 9 | 13 (52) |
Addition | 10 | 12 | 22 (17) | 1 | 1 | 2 | 4 (16) |
   Random sequence | 8 | 12 |  |  |  |  |  |
   TERC sequence†| 2 | 0 |  |  |  |  |  |
Duplication | 2 | 4 | 6 (4,6) | 1 | 1 | 2 | 4 (16) |
Addition and deletion | 4 | 2 | 6 (4,6) | 0 | 0 | 0 | 0 (0) |
   Random sequence addition | 1 | 2 |  |  |  |  |  |
   TERC sequence addition†| 3 | 0 |  |  |  |  |  |
Total | 58 | 72 | 130 (100) | 5 | 4 | 16 | 25 (100) |