Table 1 Statistical assessment of geotaxis phenotypic differences before and after selection for each replicate population, as well as between the Y1 and Y25 grand means
From: Y-chromosomes can constrain adaptive evolution via epistatic interactions with other chromosomes
Population | t-test | df | P |
|---|---|---|---|
Male | |||
 Y1A | 5.99 | 1464 | 0.0001 |
 Y1B | 3.10 | 1547 | 0.0020 |
 Y1C | 4.13 | 1441 | 0.0001 |
 Y25A | 2.21 | 1475 | 0.0271 |
 Y25B | 0.81 | 1458 | 0.4177 |
 Y25C | 1.50 | 1541 | 0.1341 |
 Grand Mean | 3.31 | 4 | 0.0296 |
Female | |||
 Y1A | 1.22 | 863 | 0.2215 |
 Y1B | 6.14 | 853 | 0.0001 |
 Y1C | 2.88 | 843 | 0.0041 |
 Y25A | 0.46 | 876 | 0.6463 |
 Y25B | 1.83 | 963 | 0.068 |
 Y25C | 7.09 | 891 | 0.0001 |
 Grand Mean | 0.40 | 4 | 0.7069 |