Table 4.
Mean ± SD Lengths of Bivalents with Different Numbers of Foci
| No. of Foci | No. ofBivalents | Mean ± SD Lengtha |
| Chromosome 21: | ||
| 1 | 60 | 126.3 ± 13.3 |
| 2 | 23 | 145.2 ± 22.2 |
| Chromosome 18: | ||
| 1 | 4 | 182.7 ± 9.3 |
| 2 | 35 | 208.4 ± 31.7 |
| 3 | 24 | 217.1 ± 25.5 |
| 4 | 3 | 228.9 ± 13.9 |
| Chromosome 13: | ||
| 1 | 2 | 232.7 ± 27.2 |
| 2 | 31 | 264.7 ± 35.9 |
| 3 | 28 | 289.9 ± 32.1 |
| 4 | 3 | 263.1 ± 29.9 |
| Chromosome X: | ||
| 2 | 6 | 350.8 ± 28.5 |
| 3 | 10 | 381.8 ± 63.2 |
| 4 | 5 | 396.2 ± 23.0 |
| 5 | 3 | 438.3 ± 57.0 |
a
Measured (in pixels) from the q-arm telomere by tracing along the axes, with the IPLab software.