Table 1.

Sample size of each species test dataset.

	Long-ORF RNAs		Short-ORF RNAs
	NC	PC	NC	PC
Human	8,241	8,241	641	641
Mouse	19,930	19,930	846	846
S. cerevisiae	413	413	413	413
Zebrafish	10,662	10,662	387	387
Fruit fly	4,098	4,098	381	381
Cow	284	284	744	744
Rat	4,589	4,589	1,080	1,080
C. elegans	582	582	1,493	1,493