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Table 3 Classification of additive and non-additive expression patterns in hybrid

From: Transcriptome profiling and comparison of maize ear heterosis during the spikelet and floret differentiation stages

Expression classes S-Stage F-Stage
Additivea (MPV = F1) 10093 (73.8%) 9014 (79.9%)
Non-additivea(MPV ≠ F1) 3577 (26.2%) 2272 (20.1%)
I Over-dominance c 143 109
II High-parent dominance CL11-dominance b 492 227
  NG5-dominance b 995 865
III Low-parent dominance CL11-dominance b 465 141
  NG5-dominance b 986 737
IV Under-dominance d 119 27
V Conservede 377 166
Total   13670 11286
  1. abased on fisher exact test between midparent value (MPV) and hybrid (qvalue < 0.05)
  2. bbased on fisher exact test (qvalue < 0.05); hybrid must be significantly different than midparent value and not significantly different from either high or low parent
  3. cabove high parent; based on fisher exact test between high parent and hybrid (qvalue < 0.05)
  4. dbelow low parent; based on fisher exact test between low parent and hybrid (qvalue < 0.05)
  5. ebased on fisher exact test (qvalue < 0.05); hybrid value must be significantly different than midparent value and within the parental range