Table I.
Segregation of mutant phenotypes observed in the F2 obtained by selfing the progeny of male parents heterozygous for sml to different inbred lines
| Coded No. | Outcrossed to | Segregation of Selfed
Outcrosses (F2)
|
||||
|---|---|---|---|---|---|---|
| wt | dgr | sml | χ2 value | P | ||
| R4-70 | B73 | 237 | 47 | 16 | 2.56 | 0.28 |
| R4-83 | B73 | 377 | 85 | 29 | 0.85 | 0.65 |
| 27 (2) | A344 | 115 | 30 | 8 | 0.31 | 0.86 |
| R53-2 | K6 | 253 | 60 | 16 | 1.22 | 0.54 |
| R19 (2) | W22 | 312 | 64 | 26 | 2.12 | 0.35 |
| Total | 1,294 | 286 | 95 | 4.53 | 0.10 | |
The segregation values of the two mutant phenotypes (dgr and sml) are indicative of two loci exhibiting a dominant epistatic interaction (12:3:1). wt, Wild type.