Table 1.
Random-effects ANOVA for the 20 Y chromosomes
| Source | MS | df | F ratio | Prob > F |
|---|---|---|---|---|
| Net fitness | ||||
| Y chromosome | 0.0408 | 19 | 0.616 | 0.8662 |
| Block | 0.1517 | 2 | 3.341 | 0.1102 |
| Y chromo. × Block | 0.0396 | 38 | 1.342 | 0.1383 |
| Gen. Back. | 0.8395 | 2 | 13.556 | 0.0017 |
| Y chromo. × Gen. Back. | 0.0507 | 38 | 1.902 | 0.0088 |
| Block × Gen. Back. | 0.0353 | 4 | 1.198 | 0.3186 |
| Juvenile fitness | ||||
| Y chromosome | 0.0218 | 19 | 1.577 | 0.2320 |
| Block | 0.1638 | 2 | 2.612 | 0.2030 |
| Y chromo. × Block | 0.0148 | 38 | 0.778 | 0.8012 |
| Gen. Back. | 0.3450 | 2 | 5.230 | 0.0801 |
| Y chromo. × Gen. Back. | 0.0181 | 38 | 0.950 | 0.5592 |
| Block × Gen. Back. | 0.0669 | 4 | 3.520 | 0.0109 |
| Adult fitness | ||||
| Y chromosome | 0.0418 | 19 | 0.796 | 0.6938 |
| Block | 0.4692 | 2 | 10.517 | 0.0231 |
| Y chromo. × Block | 0.0293 | 38 | 1.097 | 0.3596 |
| Gen. Back. | 0.4806 | 2 | 7.356 | 0.0146 |
| Y chromo. × Gen. Back. | 0.0500 | 38 | 1.873 | 0.0103 |
| Block × Gen. Back. | 0.0420 | 4 | 1.574 | 0.1897 |
| Denominator MS Synthesis | |
|---|---|
| Test denominator synthesis | |
| Y chromosome (Y) | Y × Block + Y × Gen. Back. − 1 × Residual |
| Block | Y × Block + Block × Gen. Back. − 1 × Residual |
| Y chromo. × Block | Residual |
| Gen. Back. | Y × Gen. Back. + Block × Gen. Back. − 1 × Residual |
| Y chromo. × Gen. Back. | Residual |
| Block × Gen. Back. | Residual |
See text for details of the model's main effects and design. MS, mean square.