The simulation of meiosis in diploid and tetraploid organisms using various genetic models

Voorrips, Roeland E; Maliepaard, Chris A

doi:10.1186/1471-2105-13-248

BMC Bioinformatics

Table 1 Expected and simulated tetrasomic recombination frequencies without chiasma interference

From: The simulation of meiosis in diploid and tetraploid organisms using various genetic models

a. Two bivalents; expected recombination frequencies according to Haldane map function
Chrom. length		50 cM			100 cM			200 cM			400 cM
Interval (cM)	Expected recomb	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom
1	0.0099	0.0100	0.0100	0.0098	0.0100	0.0099	0.0099	0.0098	0.0100	0.0099	0.0098	0.0099	0.0099
2	0.0196	0.0196	0.0197	0.0195	0.0197	0.0196	0.0196	0.0196	0.0197	0.0195	0.0196	0.0197	0.0196
5	0.0476	0.0476	0.0478	0.0474	0.0477	0.0475	0.0476	0.0475	0.0479	0.0475	0.0476	0.0476	0.0475
10	0.0906	0.0907	0.0909	0.0905	0.0908	0.0907	0.0907	0.0905	0.0908	0.0906	0.0906	0.0907	0.0908
20	0.1648	0.1648	0.1650	0.1649	0.1650	0.1647	0.1648	0.1647	0.1648	0.1647	0.1647	0.1649	0.1648
50	0.3161		0.3161		0.3161	0.3161	0.3162	0.3160	0.3160	0.3162	0.3161	0.3159	0.3161
100	0.4323					0.4322		0.4322	0.4316	0.4328	0.4317*	0.4322	0.4324
200	0.4908								0.4909		0.4907	0.4910	0.4906
400	0.4998											0.4996
b. Cross-type quadrivalents; expected recombination frequencies according to Sved (1964) formula 3
Chrom. length		50 cM			100 cM			200 cM			400 cM
Interval (cM)	Expected recomb. ¹	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom
1	0.0099	0.0095***	0.0096***	0.0095***	0.0096***	0.0096***	0.0095***	0.0099	0.0098	0.0099	0.0099	0.0098	0.0099
2	0.0197	0.0188***	0.0189***	0.0189***	0.0190***	0.0191***	0.0189***	0.0194**	0.0195	0.0194*	0.0195	0.0195	0.0196
5	0.0480	0.0458***	0.0459***	0.0459***	0.0462***	0.0463***	0.0461***	0.0473***	0.0473***	0.0472***	0.0475*	0.0478	0.0477
10	0.0921	0.0878***	0.0879***	0.0878***	0.0886***	0.0891***	0.0884***	0.0902***	0.0907***	0.0904***	0.0907***	0.0916*	0.0910***
20	0.1703	0.1623***	0.1624***	0.1625***	0.1636***	0.1645***	0.1631***	0.1655***	0.1668***	0.1650***	0.1648***	0.1675***	0.1651***
50	0.3420		0.3314***		0.3304***	0.3322***	0.3299***	0.3249***	0.3332***	0.3244***	0.3178***	0.3300***	0.3177***
100	0.5000					0.5054***		0.4834***	0.4971***	0.4833***	0.4446***	0.4824***	0.4442***
200	0.6227								0.6668***		0.5737***	0.6298***	0.5737***
400	0.6874											0.7411***
c. Parallel quadrivalents; expected recombination frequencies according to Sved (1964) formula 2
Chrom. length		50 cM			100 cM			200 cM			400 cM
Interval (cM)	Expected recomb	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom	Top	Center	Bottom
1	0.0099	0.0099	0.0099	0.0101	0.0100	0.0099	0.0101	0.0100	0.0098	0.0100	0.0099	0.0099	0.0099
2	0.0197	0.0197	0.0197	0.0199*	0.0197	0.0196	0.0198	0.0198	0.0197	0.0197	0.0196	0.0198	0.0197
5	0.0484	0.0482	0.0483	0.0488**	0.0484	0.0482	0.0484	0.0485	0.0483	0.0484	0.0480*	0.0485	0.0484
10	0.0936	0.0934	0.0934	0.0942*	0.0935	0.0933	0.0939	0.0937	0.0936	0.0934	0.0932	0.0940	0.0937
20	0.1756	0.1755	0.1756	0.1760	0.1750	0.1754	0.1760	0.1755	0.1756	0.1755	0.1750	0.1758	0.1757
50	0.3649		0.3654		0.3645	0.3647	0.3652	0.3651	0.3652	0.3649	0.3649	0.3650	0.3651
100	0.5523					0.5520		0.5523	0.5522	0.5526	0.5520	0.5529	0.5523
200	0.6979								0.6982		0.6979	0.6983	0.6978
400	0.7464											0.7467

*, **, ***: Deviation from expected recombination frequency significant at P < 0.05, P < 0.01 or P < 0.001.
¹: For cross-type quadrivalents the formula of Sved (1964) assumes a uniform distribution of the chromosome exchange point, whereas our simulations produce a unimodal distribution.

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ISSN: 1471-2105

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