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Table 1. Genome size of some organisms
Organism Base pairs per haploid genome
Escherichia coli K12 4.6 x 106
Saccharomyces cerevisiae 1.2 x 107
Dictyostelium discoideum 5.4 x 107
Arabidopsis thaliana 1.2 x 108
Caenorhabditis elegans 9.7 x 107
Drosophila melanogaster 1.8 x 108
Gallus domesticus (chicken) 1.2 x 109
Mus musculus (mouse) 2.72 x 109
Rattus norvegicus (rat) 3.0 x 109
Xenopus Iaevis 3.1 x 109
Homo sapiens 3.3 x 109