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Glossary Term
Glossary Term Hemizygous
Definition The state of a locus in a diploid organism, where only one copy of the locus is present. Examples are sex-linked genes in normal mammalian males, insertions such as transgenic insertions, and autosomal alleles in combination with deletions that remove entire gene regions.

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