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Glossary Term
Glossary Term Quantitative Trait Locus (QTL)
  1. A heritable genetic region that affects a measurable characteristic of the animal (e.g., body weight or blood pressure).
  2. The type of marker described by statistical association to quantitative variation in a particular phenotypic trait that is thought to be controlled by the cumulative action of alleles at multiple loci.

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