Table 1 Mean estimates of heterozygosity (π ± SD) within- and between-gene arrangements in proximal, inverted, and distal regions of the third chromosome of D. pseudoobscura
Type of variationCHARPPSTTL
Within arrangement (π)
 Proximal0.010 ± 0.0040.007 ± 0.0040.011 ± 0.0060.008 ± 0.0040.006 ± 0.004
  n161920184
  bp3249103135510312043
 Inverted0.009 ± 0.0040.009 ± 0.0040.013 ± 0.0060.007 ± 0.0030.009 ± 0.005
  bp14753258329332582254
 Distal0.014 ± 0.0070.011 ± 0.0050.017 ± 0.0080.007 ± 0.0030.013 ± 0.007
  bp11861620161916191583
Among arrangements (π)ST-ARST-PP
 Proximal0.008 ± 0.0040.011 ± 0.006
  n3738
  bp1031353
 Inverted0.011 ± 0.0050.015 ± 0.007
  bp32582957
 Distal0.010 ± 0.0040.015 ± 0.007
  bp16192597
  • CH, Chiricahua; AR, Arrowhead; PP, Pikes Peak; ST, Standard; TL, Tree Line; n, sample size; bp, number base pairs in the region; π, estimate of heterozygosity based on the number of pairwise differences (Tajima 1983).