TABLE 2.

Chromosomes and linkage groups according to size

		Size and rank of LG			F:M recombination ratio
Chromosome	LG	OxA	25f	44f	Lot 25	Lot 44
1	6	1	7	6	20.05	7.76
2	27	21	2	3	6.78	11.67
3	31	13	14	19	19.39	3.7
4	24	27	4	1	1.82	7.21
5	8	16	26	21	1.0	NS
6	10	23	15	8	17.54	3.65
7	12	4	3	4	—	—
8	23	22	17	13	1.57	1.40
9	21	6	6	10	2.86	2.6
10	20	7	20	7	3.62	2.19
11	19	3	13	2	4.52	14.02
12	9	9	12	5	26.55	16.62
13	2	2	5	12	—	—
14	3	28	14	15	6.60	9.75
15	7	18	22	9	12.63	13.59
16	22	11	18	11	2.0	10.01
17	29	14	1	20	5.97	5.09
18	16	10	8	14	—	—
19	14	26	10	15	1.0	23.15
20	17	17	16	18	4.43	3.16
21	15	5	9	16	8.68	3.17
22	5	15	28	22	1.0	—
23	30	22	23	23	2.68	3.36
24	26	28	27	—	—	1.09
25	4	12	—	—	—	—
26	18	24	24	—	—	5.62
27	11	19	19	25	3.96	.55
28	13	20	21	24	4.18	1.25
29	25	8	25	17	1.0	2.62
Sex	1	25	29	26	—	—

Data are from Nichols et al. (2003) and Danzmann et al. (2005). OxA is a male map based on doubled haploid offspring, but lot 25 and lot 44 map distances are from female maps. The female:male ratios are from Danzmann et al. (2005) and are based on males and females from lots 25 and lots 44. When the regression of the size of the chromosome with the LG map size is calculated, it is significant for both lot 25 and lot 44 (data not shown). Numbers are given only for cases in which a minimum of six markers could be evaluated.