| Model system | Size (Bases) | Genes |
|---|---|---|
| Escherichia coli (Bacterium) | 4.6 Million |
3,000 |
| Sacchromyces cerevisiae (Yeast) | 15 Million |
|
| Neurospora
crassa (Fungus) |
39.9
Million |
10,000
(Release Apr 2003) |
| C. elegans
(Nematode) |
100 Million |
20,621
(Release WS108) |
| C.
briggsae (Nematode) |
104
Million |
19,507
(Release Sept 2003) |
| Drosophila
melanogaster (Fruit
fly) |
120 Million |
13,647
(Release 3.1) |
| Anapheles gambiae (Mosquito) | 280 Million | 13,600 |
| Gallus
gallus (Chicken) |
120 Million |
|
| Ciona
intestinalis (Ascidian sea squirt) |
160 Million |
15,800 |
| Fugu
rubripes (Pufferfish) |
365 Million |
38,000 |
| Danio rario (Zebrafish) |
1.7 Billion ? |
|
| Mouse |
3 Billion |
30,000 |
| Xenopus
laevis (Frog) |
3 Billion |
|
| Human | 3 Billion |
31,000 |
| Largest human chromosome (chr 1) | 250 Million | |
| Smallest human chromosome (Y) | 50 Million | |
| Arabidopsis
thaliana (flower) |
100
Million |
|
| Rice cereal (subspecies: indica) |
465
Million |