Table 5.

Characterization of the ectopic projections in F → C mapsa

Animal typeNumber of nodes in the mapPercentage number of nodes projecting to ectopic sitesDistance between major and minor (ectopic) sites (μm)Orientation of the line joining the major and minor (ectopic) sites (°)
WT151 ± 130.60 ± 0.44b70 ± 11−13.3 ± 36.0
β2109 ± 210.51 ± 0.62b112 ± 43−4.8 ± 36.8
HetTKO127 ± 487.5 ± 2.9205 ± 44−18.5 ± 9.2
HomTKO130 ± 2510.6 ± 7.5227 ± 58−19.3 ± 9.9
β2DKO114 ± 307.1 ± 3.9303 ± 52−22.6 ± 4.6
  • aThe numbers of ectopics are expressed as percentages of the total number of nodes in the entire map. Means and standard deviations are based on the mean figures calculated from the 20 replications.

  • bIn these groups the number of ectopics is of the order of 1 or 2 per map.