Distribution of the core haplotypes constructed from exon 3, 8, and 11 SNPs
| Haplotype | Wild type | 525delT | Del exon 18 | Other mutations3-150 |
| Minor-minor-minor | 0 | 0 | 0 | 0 |
| Minor-minor-major | 8 | 0 | 0 | 2 |
| Minor-major-minor | 8 | 14 | 0 | 0 |
| Minor-major-major | 10 | 0 | 7 | 4 |
| Major-minor-minor | 0 | 0 | 0 | 0 |
| Major-minor-major | 0 | 0 | 0 | 0 |
| Major-major-minor | 0 | 0 | 0 | 0 |
| Major-major-major | 8 | 0 | 0 | 3 |
↵3-150 The chromosomes not bearing a 525delT or del exon 18 mutation.