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Glossary Term
Glossary Term X Chromosome
Definition One of pair of chromosomes that is sexually dimorphic in mammals. Normal female mammals have two X chromosomes, while normal male mammals have an X chromosome and a Y chromosome.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
MGI 6.22
The Jackson Laboratory