Uneven distribution of expressed sequence tag loci on maize pachytene chromosomes

Table 1.

Testing for EST clustering on maize chromosomes using 0.2-μm SC length segments


SC number

No. ESTs

Observed cumulative difference

Cumulative difference generated from 1000 random distributions (99th percentile)

Significance
Whole SCs
   1 213 251.3 198.2 Sa
   2 114 147.5 137.2 S
   3 122 157.5 136.8 S
   4 134 173.4 138.5 S
   5 144 170.5 143.2 S
   6 104 130.8 113.5 S
   7 105 130.5 112.3 S
   8 81 112.7 98.6 S
   9 96 121.6 101.7 S
   10 82 98.8 89.7 S
   Total 1195
Euchromatin
   1 193 207.4 160.7 S
   2 107 124.7 116.2 S
   3 105 121.8 107.4 S
   4 115 140.3 115.8 S
   5 121 116.0 106.0 S
   6 80 80.0 72.0 S
   7 91 95.5 87.4 S
   8 72 76.4 70.2 S
   9 91 105.3 87.4 S
   10 62 49.6 50.6 NSb
   Total
1037



  • a S represents rejection of the null hypothesis of homogeneity at P < 0.01

  • b NS is not significant at P < 0.01, but this test was significant at P < 0.05

This Article

  1. Genome Res. 16: 115-122

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