Table 1. Position and length of interstitial heterochromatic knobs on the long arms of hypotonically spread SCs 5, 6, and 7.
SC ID | Number Observed SC sets | Average Length (µm) | Average Knob Position on the Long Arm as Measured from the Centromere | Average Length (µm) of Knob on SC (SD) | ||||
---|---|---|---|---|---|---|---|---|
SC | Long Arm | Proximal Edge | Distal Edge | |||||
% | µm | % | µm | |||||
5 | 6 | 37.0 | 19.2 | 62.9 | 12.0 | 71.7 | 13.7 | 1.7 (0.2) |
6 | 6 | 30.8 | 22.2 | 72.8 | 16.1 | 76.2 | 16.9 | 0.8 (0.3) |
7 | 6 | 30.8 | 22.5 | 63.5 | 14.3 | 71.0 | 16.0 | 1.7 (0.3) |
SC, synaptonemal complex; ID, identifier.