From: Distribution of 45S rDNA sites in chromosomes of plants: Structural and evolutionary implications
Sites | Number of karyotypes | Short arms | Centromeric sitesa | Long arms | Total | p-valueb |
---|---|---|---|---|---|---|
Singlec | 220 | 342 (77.7%) | 4 (0.9%) | 90 (20.9%) | 440 | 0.000001 |
Multiple | 509 | 2,430 (68.9%) | 132 (3.7%) | 964 (27.3%) | 3,526 | 0.000001 |
Total | 729 | 2,772 (69.9%) | 138 (3.5%) | 1,056 (26.6%) | 3,966 | 0.000001 |