This C57BL/6J congenic carries the distal portion of Chromosome 2 from DBA/2J. The Mit or SNP (rs) markers in the strain name define the congenic interval.<p>
Marker-assisted breeding was used to construct a set of overlapping congenic strains called genome-tagged mice (GTM) that span the entire mouse genome. Each member of the panel carries an average of a 23 cM segment (range eight to 58 cM) from DBA/2J introgressed on to a C57BL/6J background. The segments represent the distal (D), middle (M), and proximal (P) portions of all or most of a given chromosome. (Iakoubova <i>et al</i>. 2001) GTM are a valuable resource for mapping and confirmation of loci contributing to complex traits.<p>
The Jackson Laboratory is working with Dr. Lusis' group to import and make available additional strains in the panel. 

This strain is one of a set of overlapping congenic strains called genome-tagged mice (GTM). Each member of the panel carries an average of a 23 cM segment (range eight to 58 cM) from DBA/2J introgressed on to a C57BL/6J background. GTM are a valuable resource for mapping and confirmation of loci contributing to complex traits.

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