Table 1.

Proportions of individual genes in each category that are found to be rapidly evolving in any of the codeml analyses

Gene category	Number of genes	Rapidly evolving genes
		Total	Global	Branch specific
			Neurospora	N. intermedia	N. crassa	N. discreta	N. tetrasperma
Total	988	204	164	49	41	135	21
Sexual	99	26	19	7	4	22	1
Constitutive	627	112	94	25	22	72	13
Vegetative	94	15	9	2	2	11	1
n/ab	168	51	42	15	13	30	6

^b genes for which data from the microarray analysis is lacking.

Both total number and the distribution of these genes in the global ratio model and all separate branches is shown.