H. sapiens

M. musculus

Total

Aligned cDNA/ESTs

2,103,995

1,181,194

3,285,189

Poly(A) sites

29,283

16,282

45,565

genes with one poly(A) site

6,418

7,577

13,995

genes with alternative poly(A) sites

7,524

3,578

11,102

Total Genes

13,942

11,155

25,097

Orthologous pairs

7,935

7,935

7,935

Tissue types^a

331

155

455

Organ types^a

107

47

133