| Genotypes of F1 hybrids | AA | Aa | aa | |
| Genotype frequency | p2 | 2pq | q2 | |
| Frequency of A in F1 hybrids | 1 | ½ | 0 | |
| F1 hybrid means | a | d | −a | |
| Genotypes of inbred lines | AA | AA | aa | aa |
| Genotype frequency | p2 | pq | pq | q2 |
| Frequency of A in inbred lines | 1 | 1 | 0 | 0 |
| Inbred line means | a | a | −a | −a |
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