Table 1.

Summary of χ ² tests on 10% FDR DE genes in each of the eight possible sexual selection contrasts combining tissue, sex and courtship bias

Tissue	Gene type	No. genes	No. FDR < 10%	Proportion	χ 2 c/f unbiased
Virgin female abdomens	Male-biased	1832	4	0.0022	NS
	Female-biased	4219	5	0.0012	NS
	Unbiased	3296	3	0.0009
Virgin male abdomens	Male-biased	4631	11	0.0024	NS
	Female-biased	4092	2	0.0005	NS
	Unbiased	3372	5	0.0015
Virgin female heads	Male-biased	73	8	0.1096	152.2, <0.0001
	Female-biased	220	1	0.0045	NS
	Unbiased	10,587	43	0.0041
Virgin male heads	Male-biased	96	7	0.0729	44.9, p < 0.0001
	Female-biased	203	3	0.0148	NS
	Unbiased	10,550	71	0.0067
Courted female abdomens	Male-biased	5134	6	0.0012	NS
	Female-biased	3926	4	0.0010	NS
	Unbiased	3463	3	0.0009
Courted male abdomens	Male-biased	5342	82	0.0154	2.98, p = 0.083
	Female-biased	3674	14	0.0038	11.44, p = 0.0007
	Unbiased	3073	33	0.0107
Courted female heads	Male-biased	197	9	0.0457	8.2, p = 0.0042
	Female-biased	105	3	0.0286	NS
	Unbiased	10,693	171	0.0160
Courted male heads	Male-biased	216	7	0.0324	6.11, p = 0.013
	Female-biased	93	0	0.0000
	Unbiased	10,608	120	0.0113