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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