Table 2 Sequence composition of chicken chromosomes GGA2 and GGA4.
Parameter | GGA2p | GGA2q | GGA4p | GGA4q |
|---|---|---|---|---|
Physical length (bp) | 52,291,242 | 94,991,177 | 19,307,568 | 73,422,834 |
Recombination rate (cM/Mb) | 3.09 | 2.54 | 4.48 | 2.2 |
G+C content of chromosomes (%) | 40.44 ± 3.67 | 39.39 ± 2.95 | 42.73 ± 5.77 | 39.32 ± 3.45 |
Gene Density (genes/Mb) | 12.01 | 8.69 | 19.53 | 10.87 |
CpG density (Islands/Mb) | 39.38 | 29.68 | 87.12 | 32.78 |
Repeats (%) | 6.44% | 12.14% | 5.43% | 8.05% |
Introns length (bp/gene) | 38,870 ± 65,112 | 39,407 ± 66,942 | 19,542 ± 40,675 | 33,587 ± 53,907 |
G + C content of introns (%) | 42.38 ± 7.82 | 41.06 ± 6.33 | 47.47 ± 8.28 | 41.84 ± 6.84 |
Exons length (bp/gene) | 1,967 ± 1808 | 1,813 ± 1720 | 1,750 ± 1340 | 1,941 ± 1629 |
G + C content of exons (%) | 47.77 ± 7.63 | 46.28 ± 7.07 | 51.36 ± 7.13 | 46.91 ± 6.72 |