TABLE 2.

Result comparison among similar studies on gene expression inheritance

		Organism
Arabidopsis	Maize	Drosophila	Mouse
Technology:	Ara 6k cDNA array	Northern blotting	Agilent long-oligo array	Affymetrix MG430v2.0
Probe no./gene no.:	6008/4876	30/30	21929/12017	45000/39000
	Pool or biorep:	Pool (%)	Pool	Pool (%)	Biorep (%)
P1 vs. P2		27–37a	11–15	25	19.9
F1vs. 1/2(P1 + P2)		6.4–21b	19–20	33	0.8
F1vs. F1′		3.7–6.4c	NT	9–20	0.8
Overdominance		9d	NT	5e	0.4
Significance level		Vary	Nominal, 0.05	Bonferroni, 0.05	FDR, 0.05

Biorep, biological replicate; NT, not tested.

^aOne to two false positives in each gene list.

^bFDR < 0.001.

^cFDR < 0.01.

^d99.8% per gene confidence interval.

^eBased on fold change: F₁ is at least 1.25-fold greater or less than both parental lines.