Table 2. Genetic diversity of Tuxpeño core and other diverse germplasms studied by two sets of SNP markers.
| Number of accessions | Number of plants | Gene diversity | Heterozygosity | |
| Tuxpeño core | 321 | 618 | 0.2926 | 0.2558 |
| Tuxpeño mini core | 64 | 121 | 0.2986 | 0.2623 |
| U.S. landraces | 14 | 14 | 0.3078 | 0.3610 |
| CIMMYT populations | 11 | 11 | 0.2667 | 0.2724 |
| Temperate inbreds | 4 | 4 | 0.2745 | 0.0551 |
| Tuxpeño core | 321 | 618 | 0.2997 | 0.2607 |
| Tuxpeño mini core | 64 | 121 | 0.3056 | 0.2671 |
| U.S. maize races | 14 | 14 | 0.3235 | 0.3792 |
| CIMMYT populations | 11 | 11 | 0.2735 | 0.2768 |
| Temperate inbreds | 4 | 4 | 0.2859 | 0.0464 |
| CML | 94 | 94 | 0.2990 | 0.0110 |
| GEM | 54 | 54 | 0.3891 | 0.1217 |