Table 1.

Distribution of Mapped Markers in Each Medaka Linkage Group

Medaka linkage group	No. mapped EST & gene	No. anonymous DNA marker^a	Ratio^b	Estimated physical length (Mb)	Longest segment (cM)
1	33	41	0.80	59	53.3
2	21	40	0.53	58	43.6
3	32	38	0.84	55	45.6
4	28	37	0.76	53	104.4
5	51	29	1.76	42	70.6
6	26	25	1.04	36	53.5
7	49	24	2.04	35	45.6
8	44	24	1.83	35	80.5
9	34	23	1.48	33	70.9
10	38	23	1.65	33	65.6
11	42	22	1.91	32	59.1
12	37	21	1.76	30	80.8
13	34	21	1.62	30	31.8
14	34	21	1.62	30	57.9
15	29	21	1.38	30	59.6
16	44	20	2.20	29	75
17	39	18	2.17	26	64.1
18	19	18	1.06	26	61.4
19	34	17	2.00	25	52.4
20	28	16	1.75	23	79.5
21	38	14	2.71	20	76.1
22	41	14	2.93	20	26.6
23	21	14	1.50	20	43.6
24	23	13	1.77	19	52
Total	819	554	1.48	800	1401.5

↵a Number of AFLP markers, RAPD markers, and other STS markers
↵b Ratio of number of mapped EST and gene markers and numbers of anonymous markers

A Medaka Gene Map: The Trace of Ancestral Vertebrate Proto-Chromosomes Revealed by Comparative Gene Mapping