A human Abelson related gene (ABLL) cDNA clone was used to detect restriction fragment length polymorphisms (RFLPs) on mouse Southern blots. Abll was mapped to mouse chromosome 1 by analysis of segregation with other distal chromosome 1 genetic polymorphisms by using a panel of DNAs from [( C3H HeJ- gld gld × Mus spretus)F1 × C3H HeJ- gld gld] interspecific backcross mice. The data indicate the following gene order: (centromere)-CD45-6.5 cM-Lamb-2-1 cM-Abll-2 cM-At-3. The results extend the analysis of a large conserved linkage group spanning nearly 30 cM on distal mouse chromosome 1 syntenic with human chromosome 1q21-32. Within this linkage group similar relative positions have been characterized in both species for C4BP, REN, CD45, LAMB2, ABLL, AT3, APOA2, and SPTA.
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