Table 2.

Hypothetical Proto-Chromosomes in Vertebrates and Location of Major Segement



Major segments
Protochromosome
medaka LG
zebrafish LG
human chromosome
1 16 16 1, 3, 6, 7, 8
1 11 19 1, 6, 7, 8, 19
2 8 3 16, 17, 19, 22
2 19 12 10, 16, 17, 22
3 7 23 1, 3, 12, X
3 5 11 1, 3, 12, X
4 2 6 2, 3, X
4 21 9 2, 3, 13, 21, X
5 22 17 2, 14, 20
5 24 20 2, 6, 14
6 3 7, 18 11, 15, 16
6 6 25 11, 15, 16
7 10 14 4, 5, 11, X
7 12 5 5, 9, 11
8 13 15 3, 11, 17
8 14 10, 21 5, 11, 17
9 1 1 2, 4, 17
9 18
10 4 22 1, 2, 3, 19
10 9 8 7, 8,
11 15 13 1, 6, 10
11 17 2 1, 2, 3, 19
12 20 24 3, 7, 8, X
12
23
4
3, 7, 12

[i] Boldface indicates the pair of orthologous chromosomes with at least three orthologous gene pairs mapped between medaka and zebrafish.