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Definition

adjective

(genetics) Of or pertaining to being genetically or genotypically different at a particular locus or on a limited genetic region.

Supplement

The term congenic is used to refer to strains of an organism that are genetically identical except for a limited genetic region or locus. For instance, a homozygous strain of mouse can be said to be congenic to another strain of mice at a particular locus.

Related terms:

• conisogenic
• Congenic strain