Mice used in research
In addition to the human genome, the genomes of about 800 organisms have been sequenced in recent years. These include the mouse Mus musculus, the fruitfly Drosophila melanogaster, the worm Caenorhabditis elegans, the bacterium Escherichia coli, the yeast Saccharomyces cerevisiae, the plant Arabidopsis thaliana, and many microbes.
Genome sizes of Mus musculus being studied
organism: Mus musculus (mouse)
estimated size (base pairs): 2.6 billion
estimated gene number: ~25,000
average gene density: 1 gene per 100,000 bases
chromosome number: 40
- Rat Genome Sequencing Project Consortium. Genome Sequence of the Brown Norway Rat Yields Insights into Mammalian Evolution. Nature 428: 493-521. (1 April 2004)
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