Table 4.

Summary of Dictionary Data

Species
Number of genes
Average number of synonyms
S. cerevisiae 7,434 8.6
C. elegans 22,718 4.1
D. melanogaster 29,891 4.7
M. musculus 80,174 2.2
R. norvegicus 5,705 7.5
H. sapiens 22,762 8.4
Compound
7,290
1.6