Table 1 Distribution of MARs on chromosomes
From: Genome-wide mapping of matrix attachment regions in Drosophila melanogaster
Chromosome arm | Size (Mb) | Number of genes | Gene density (per 100Â kb) | Number of MARs | DNA (kb) per MAR | Genes per MAR |
|---|---|---|---|---|---|---|
2Â L | 23.0 | 3048 | 7.5 | 1067 | 21.5 | 2.9 |
2R | 21.1 | 3279 | 6.4 | 1025 | 20.6 | 3.2 |
3Â L | 24.5 | 3001 | 8.2 | 1337 | 18.3 | 2.2 |
3R | 27.9 | 3759 | 7.4 | 1437 | 19.4 | 2.6 |
4 | 1.3 | 100 | 13.5 | 34 | 38.2 | 2.9 |
X | 22.4 | 2397 | 9.4 | 2453 | 9.1 | 1.0 |
Total | 120.4 | 15584 | 7.7 | 7353 | 16.4 | 2.1 |