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Genetic analysis of the petal trait in parents and in crosses between R16-11 and SD369.
| Generations | Total | Yellow | Dark yellow | Expected ratio | χ 2 | |
|---|---|---|---|---|---|---|
| P1 (R16-11) | 10 | 10 | 0 | – | – | – |
| P2 (SD369) | 10 | 0 | 10 | – | – | – |
| F1 | 15 | 15 | 0 | – | – | – |
| F2-small | 230 | 176 | 54 | 3:1 | 0.28 | 3.84 |
| F2-large | 3,114 | 2,371 | 743 | 3:1 | 2.16 | 3.84 |
| BC1P1 (F1 × R16-11) | 200 | 200 | 0 | – | – | – |
| BC1P2 (F1 × SD369) | 240 | 125 | 115 | 1:1 | 0.42 | 3.84 |
