Table 1. Enrichment analysis of positively selected genes in the dolphin and cow lineages.

GO term	PANTHER category	All genes	Bottlenose dolphin			Cow
			PSG	PSG E	p-value	PSG	PSG E	p-value
	Biological Processes
	Developmental process
GO:0007498	Mesoderm development	337	34	15.9	0.0058	22	19.3	1
GO:0007389	Pattern specification process	77	15	3.64	0.0009	9	4.4	1
GO:0048731	System development	497	47	23.5	0.0009	36	28.4	1