Table 2.

Gene-Based Scores that Summarize the Combined Evidence for Selection across Each UCP Gene.

		Gene-Based Scorea (P valueb)
Gene	Method	Absolute Latitude		Minimum Temperature		Maximum Temperature		Mean Temperature		Precipitation Rate		Solar Radiation		Relative Humidity
UCP1	SRC	2.8	(0.010)	2.1	(0.036)	2.4	(0.017)	2.4	(0.023)	0.6	(0.720)	2.8	(0.008)	0.6	(0.760)
	BLM	1.3	(0.228)	0.6	(0.766)	0.8	(0.562)	0.7	(0.649)	0.8	(0.583)	1.7	(0.105)	0.7	(0.698)
UCP2	SRC	0.8	(0.636)	0.6	(0.791)	0.7	(0.724)	0.6	(0.782)	0.7	(0.646)	0.8	(0.601)	0.9	(0.455)
	BLM	2.5	(0.026)	2.5	(0.023)	3.0	(0.011)	2.7	(0.014)	1.0	(0.383)	1.8	(0.097)	1.2	(0.290)
UCP3	SRC	1.1	(0.371)	2.2	(0.015)	1.7	(0.050)	2.0	(0.026)	1.0	(0.432)	0.8	(0.616)	0.7	(0.718)
	BLM	3.0	(0.003)	3.3	(0.001)	3.1	(0.002)	3.3	(0.002)	1.5	(0.115)	2.4	(0.017)	1.0	(0.460)

^aThe gene-based score is the average of the negative log-transformed P values across all SNPs in a gene.

^bP values are calculated by comparing the score for an UCP region to the scores for 10,000 randomly chosen genic regions with the same number of SNPs.