Distribution of Highly Conserved Regions Comparing the Number of Places a Region Aligns vs. Whether the Region is Coding, Intronic, or Intergenic
| Places aligned | Coding bases | Intronic bases | Intergenic bases | Total bases |
| 1 | 985406 | 434809 | 585204 | 2005419 |
| 2–3 | 214411 | 31393 | 27843 | 273647 |
| 4–7 | 84001 | 7957 | 3286 | 95244 |
| 8–15 | 54318 | 8482 | 609 | 63409 |
| 16–31 | 25687 | 2752 | 0 | 28439 |
| 32 | 124 | 0 | 0 | 124 |
| Totals | 1363947 | 484393 | 616942 | 2465282 |
[i] The table lists the number of C. briggsae bases in each category. Coding/Intron/Intergenic classification is based on the C. elegans Sequencing Consortium (1998) gene predictions for the corresponding C. elegans regions. Eighty-one percent of the highly conserved bases align to a unique part of the C. elegans genome.