Table 3.
Phenotypes of heterokaryotic mycelia from various pairings
| Strains paired | Prototrophic myceliuma | Conclusion |
| arg154 (+) / lys255 (+) | Gray, AS | |
| arg131(s*789)/lys255(s*789) | Red, As* | |
| arg154(s*84)/lys255(s*84) | Red, As* | |
| arg154(s1) / lys255(s1) | Gray, As | |
| arg154(s1) / lys255(+) | Gray, AS | s1 recessive |
| arg154(s*789) / lys255(+) | Gray, AS | s*789 recessive |
| arg154(s*84) / lys255(+) | Gray, AS | s*84 recessive |
| arg154(s1) / lys255(s*789) | Gray, AS | Complementation |
| arg154(s1) / lys255(s*84) | Gray, AS | Complementation |
| arg154(s1) / lys255(s*18) | Gray, AS | Complementation |
| arg131(s*789) / lys 255(s*84) | Red, As* | No complementation |
| arg154(s*18) / lys255(s*84) | Red, As* | No complementation |
aAS differentiates both Anneaux and Secteurs and synthesize α and σ only in the respective modified areas. As* differentiates Anneaux but not Secteurs, though they have the σ determinant throughout the mycelium; As differentiates Anneaux but not Secteurs and never contain the σ determinant.