Table 3

Distribution of multiple rDNA sites in genera having species with single sites restricted to only one chromosome region
Number of genera with multiple sites
Position of single sites Number of genera with single sitesa In any region In the same region p-valueb
Proximal 11 2 0 0.008
Interstitial 11 4 3 n.s.
Terminal 34 20 14

a Genera having species with single sites in one position and other species with single sites in a different position were excluded from this sample.

b Comparisons with terminal region (Fisher’s exact test), n.s. non-significant.

Roa and Guerra

Roa and Guerra BMC Evolutionary Biology 2012 12:225   doi:10.1186/1471-2148-12-225

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