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Genome Size of organisms


Organism Size (bases) Genes Source
Escherichia coli (Bacterium)  4.6 Million
3,000
 
Sacchromyces cerevisiae (Yeast) 15 Million
6,000
 
Neurospora crassa (Fungus)
39.9 Million
10,000 (Release Apr 2003)
 
C. elegans (Nematode)
100 Million
20,000
Wormbase WS108 release
C. briggsae (Nematode)
104 Million
20,000 (Release Sept 2003)
Stein et al., PLoS Biology 2003
Drosophila melanogaster (Fruit fly)
120 Million
13,000
Flybase release 3.1
Anapheles gambiae (Mosquito) 280 Million 13,600
 
Strongylocentrotus purpuratus (sea urchin) 814 Million 23,300
Science 2006, vol. 314, 941-952
Ciona intestinalis (Ascidian sea squirt)
160 Million
15,800
 
Fugu rubripes (Pufferfish)
365 Million
38,000
 
Danio rario (Zebrafish)
1.7 Billion ?
   
Monodelphus domestica (opossum/metatherian/marsupial)
3.5 billion
20,000 Nature 2007, vol. 447, 167-177
Mouse
3 billion
30,000
 
Gallus gallus (Chicken)
1.2 Billion
  Nature 2004, vol. 432, 679-680
Xenopus laevis (Frog)
3 Billion

 
Human 3 Billion
23,000
 
Human: largest chromosome (chr 1) 250 Million
 
Human: smallest chromosome (Y) 50 Million
 
Daphnia pulex (crustacean/water-flea) 200 Million 31,000 Science 2011, vol. 331, pp. 555-561
Arabidopsis thaliana (flower)
100 Million

 
Rice cereal (subspecies: indica)
465 Million

 




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visitors since November 30, 2009.