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Glossary Term
Glossary Term Polyadenylation
Definition The process by which a series of adenosine (A) ribonucleotides is added to the 3' end of a spliced RNA to make a mature mRNA. This addition to the RNA is sometimes referred to as a poly-A tail, and commonly contains several hundred bases.

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 6.21
The Jackson Laboratory