1. Linkage data :-
| Pedigree | Genes X Y | Linkage phase | XY | Xy | xY | xy | Total |
Recombinations No. % |
Authority |
| 9415 | G A3 1) | R S | 260 | 65 | 96 | 3 | 424 | 22.5 | Lindstrom |
| 9451 | R A3 | C S | 120 | 24 | 49 | 20 | 213 | 40.3 | " |
| 9419 | Pl A3 | C B | 86 | 73 | 80 | 64 | 303 | 153 50.5 | " |
| 9232 | Su W4 2) | R S | 2366 | 977 | 980 | 159 | 4482 | 37.0�0.9 | " |
| 9429 | Tp A3 | C B | 31 | 33 | 59 | 58 | 181 | 92 50.8 | " |
1) A new recessive anthocyan gene.
2) Assigned w4 because the original w4 in the mimeographed sheets is not shown to be linked with anything, and since the gene is on the new 4th chromosome.