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Glossary Term
Glossary Term Duplication
Definition An additional copy of a DNA segment present in the genome. Gene duplication is the source of paralogous genes. See the Figure at NHGRI.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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last database update
10/08/2014
MGI 5.20
The Jackson Laboratory