Species	Genome Size (millions of base pairs)	Number of Predicted Genes
Saccharomyces cerevisiae (yeast)	12	6,144
Physcomitrella patens (moss)	480	38,354
Arabidopsis thaliana (mustard plant)	125	25,706
Zea mays (corn)	2,400	32,000
Hordeum vulgare (barley)	5,100	26,159
Caenorhabditis elegans (roundworm)	103	20,598
Drosophila melanogaster (fruit fly)	170	13,525
Anopheles gambiae (mosquito)	278	14,707
Danio rerio (zebraflsh)	1,465	22,409
Takifugu rubripes (tiger pufferflsh)	329	22,089
Xenopus tropicalis (clawed frog)	1,510	18,429
Anolis carolinesis (anole lizard)	1,780	17,792
Mus musculus (mouse)	2,627	26,762
Pan troglodytes (chimpanzee)	2,733	22,524
Homo sapiens (human)	3,223	~20,000