(genetics) (of different strains of an organism) That are genetically identical except for a variation in a limited genetic region or locus

Such an organism

In a congenic manner; coisogenically

plural of congenic

The condition of being congenic

Alternative form of congenic

A plant or animal of the same taxonomic genus as another. / A person or thing similar in behavior or nature to another. / (chemistry) Any of a group of structurally related compounds.

plural of congener