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Table 3 Comparisons of fitness components in within- and between-line crosses (excluding crosses where no eggs where produced).

From: The genetic architecture of fitness in a seed beetle: assessing the potential for indirect genetic benefits of female choice

Trait Within-line Between-line F – tests of equality of means
Lifetime egg production 23.73 (1.53) 23.05 (0.4) F1,946 = 0.17, P = 0.67
Lifetime offspring production 16.07 (1.48) 19.9 (0.4) F1,950 = 5.93, P = 0.015
Egg-to-adult survival (%) 62.01 (0.03) 79.75 (0.01) F1,946 = 30.97, P < 0.001
F1 productivity 16.97 (0.82) 31.82 (0.25) F1,2903 = 209, P < 0.001
  1. Given are mean (SE) and F – tests of equality of means.