From: Maintenance of transposon-free regions throughout vertebrate evolution
 | ≥ 10 kb | ≥ 5 kb | ||
---|---|---|---|---|
 | Number | Size (bp) | Number | Size (bp) |
Zebrafish | 470 | 6,202,556 | 4,891 | 34,677,352 |
Human | 856 | 12,090,440 | 9,203 | 65,097,113 |
Mouse | 1,112 | 15,136,372 | 14,154 | 97,707,658 |
Opossum | 396 | 5,334,925 | 4,818 | 33,312,949 |