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).

Wang et al. Genome Biology 2008 9:R61   doi:10.1186/gb-2008-9-3-r61