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Table 1 Number of repeated probe pairs and sequences in the Affymetrix U133 Plus 2.0 GeneChip®.

From: Cross-species analysis of gene expression in non-model mammals: reproducibility of hybridization on high density oligonucleotide microarrays

Number of Repetitions Number of Sequences Number of Probe Pairs
2 12794 12794
3 1924 2886
4 462 924
5 174 435
6 74 222
7 22 77
8 8 32
9 4 18
11 2 11
12 2 12
15 2 15
16 2 16
20 2 20
Total 15472 17462
  1. Both PM and MM sequences are considered to calculate the number of repeated sequences.