Springer Online Journal Archives 1860-2000
Abstract A polymorphic CA repeat (locus name DXS1178) was isolated from a 1-megabase YAC (OTCC) containing the OTC gene, located at Xp21.1. However, amplification in human-rodent hybrid cells and segregation analysis in three CEPH families mapped the DXS1178 locus at Xq13. The mapping ambiguity is apparently caused by the chimeric nature of the OTCC YAC clone.
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