Correct Estimation of Preferential Chromosome Pairing in Autotetraploids

Table 3.

Estimated Preferential Pairing Factor With Two Simulated Markers in Repulsion When the True Preferential Pairing Factor is 0.40 or 0.60
pc= 0.4
p = 0.666
d(M)a
 nb
 p_estd
 Stde
 No. overf
 No. underg
 p_est
 Std
 No. over
 No. under
0.45 50 0.374 0.008 252 210 0.503 0.007 463 82
100 0.382 0.008 212 102 0.540 0.006 468 16
250 0.399 0.006 113 31 0.582 0.004 518 0
500 0.400 0.005 51 8 0.605 0.003 520 0
1000 0.405 0.003 8 0 0.625 0.002 531 0
5000 0.402 0.002 0 0 0.648 0.0009 530 0
10000 0.400 0.001 0 0 0.652 0.0007 499 0
0.25 50 0.396 0.006 126 47 0.587 0.004 527 1
100 0.399 0.005 71 6 0.611 0.003 566 0
250 0.403 0.003 8 0 0.628 0.002 492 0
500 0.400 0.002 0 0 0.637 0.001 496 0
1000 0.402 0.002 0 0 0.647 0.0009 533 0
0.05 50 0.402 0.004 7 0 0.640 0.001 548 0
100 0.400 0.003 0 0 0.648 0.001 438 0
250 0.398 0.002 0 0 0.653 0.0006 523 0
500 0.397 0.001 0 0 0.657 0.0004 446 0
1000
0.400
0.0008
0
0
0.660
0.0003
469
0

  • ↵a The genetic distance between the two markers with unit Morgan (M).

  • ↵b The sample size.

  • ↵c The true value of the preferential pairing factor used in simulation.

  • ↵d The average of 1000 estimated preferential pairing factors from 1000 simulated data sets.

  • ↵e The standard error of the 1000 estimated preferential pairing factors.

  • ↵f The number of estimated preferential pairing factors larger than two-thirds.

  • ↵g The number of negative estimated preferential pairing factors.

This Article

  1. Published in Advance February 12, 2004, doi: 10.1101/gr.1596604 Genome Res. 14: 459-462

Preprint Server



Current Issue

  1. January 2026, 36 (1)
  1. Current Issue
  1. Alert me to new issues of Genome Research