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Table 5 Chi-square contingency test for the effect of the number of probes used in the probe-set on the likelihood of mapping the corresponding gene by SFP detection (χ2d.f. = 1 = 27.4, P < 0.00001)

From: A high-density transcript linkage map with 1,845 expressed genes positioned by microarray-based Single Feature Polymorphisms (SFP) in Eucalyptus

 

# probes

 

# Genes

5

10

 

Not mapped

15787

1205

16992

Mapped

762 (4.6%)

103 (7.9%)

865*

 

16549

1308

 
  1. *The total number of mapped SFPs used in the test (865) is lower than the total of SFP mapped (884) because numbers of probes different from 5 or 10 were used for some genes and these were removed from this analysis.