| Parent (P) | Second generation (F2) | |||||
| dominant | recessive | dominant | recessive | total | ratio | |
| seeds | spherical | wrinkled | 5,474 | 1,850 | 7,324 | 2.96:1 |
| yellow | green | 6,022 | 2,001 | 8,023 | 3.01:1 | |
| flowers | purple | white | 705 | 224 | 929 | 3.15:1 |
| axial | terminal | 651 | 207 | 858 | 3.14:1 | |
| pods | inflated | constricted | 882 | 299 | 1,181 | 2.95:1 |
| green | yellow | 428 | 152 | 580 | 2.82:1 | |
| stems | tall | dwarf | 787 | 277 | 1,064 | 2.84:1 |
The table shows the results from cross-breading pure varieties of the garden pea. In the second generation the ratio of dominant to recessive traits should be 3:1. It is seen that the larger the number of plants used in Mendel's experiments, the closer his results got to the theoretical value.