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Glossary Term
Glossary Term Coisogenic Strain
Definition A strain that differs from a particular inbred strain at only one locus. A coisogenic strain arises when a mutation occurs in an inbred strain. The coisogenic strain can be propagated by intercrossing heterozygotes to produce homozygotes; if these are nonviable, the strain can be maintained by backcrossing heterozygotes to the original inbred strain.
See also the Rules for Nomenclature of Mouse and Rat Strains.

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MGI 6.13
The Jackson Laboratory