Table 9.
Recombination rate as reflected in physical size of recombination units in putative heterochromatin and euchromatin in the Tribolium genome assembly
| Linkage group | Average physical size of a recombination unit (kb/cM) | ||
|---|---|---|---|
| Heterochromatin | Euchromatin | P | |
| CH1* | - | - | - |
| CH2 | Range: 721.1, 523.9, 463.9, 208.3 | Range: 130.7, 153.1, 218.5 | <0.01 |
| Average: 479.3 | Average: 167.4 | ||
| CH3 | Range: 322.5† | Range: 184.4, 226.8, 198.6, 176.4 | <0.01 |
| Average: 322.5 | Average: 196.6 | ||
| CH4 | Range: 346.3, 1440.7 | Range: 141.2, 200.6, 318.3 | <0.01 |
| Average: 893.5 | Average: 220.3 | ||
| CH5* | - | Range: 247.7, 320.9, 176.4, 397.2, 225.0 | - |
| Average: 273.4 | |||
| CH6 | Range: 145.1, 244.5 | Range: 191.4, 38.7 | <0.01 |
| Average: 194.8 | Average: 130.2 | ||
| CH7 | Range: 440.8† | Range: 132.2, 257.0, 31.6, 255.8 | <0.01 |
| Average: 440.8 | Average: 169.2 | ||
| CH8 | Range: 318.5, 543.2 | Range: 165.5, 110.3, 98.2, 367.3 | <0.01 |
| Average: 426.4 | Average: 185.4 | ||
| CH9‡ | Range: 195.9, 326.2, 296.0 | Range: 234.3, 336.6, 164.1 | - |
| Average: 272.7 | Average: 245.0 | ||
| CH10 | Range: 241.7† | Range: 237.9, 127.5 | <0.01 |
| Average: 241.7 | Average: 182.7 | ||
*Not enough genetic markers for analysis. †Recombination was calculated for one scaffold that falls in heterochromatin. ‡No significant difference was observed in the average physical size of a recombination unit in heterochromatin versus euchromatin (P = 0.179).