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  • Title: Multilocus linkage analysis with the human argininosuccinate synthetase gene.
    Author: Northrup H, Lathrop M, Lu SY, Daiger SP, Beaudet AL, O'Brien WE.
    Journal: Genomics; 1989 Oct; 5(3):442-4. PubMed ID: 2575581.
    Abstract:
    We have identified three restriction fragment length polymorphisms (RFLPs) from within the argininosuccinate synthetase (ASS) gene which maps to human chromosome 9q34-qter. Although RFLPs at pseudogene loci are detected by the cDNA, these are the first polymorphisms reported at the ASS locus. The three RFLPs are in linkage equilibrium with each other, and haplotypes for the ASS locus are highly informative. Two-locus recombination estimates between ASS and seven other 9q markers indicated that ASS is closest to the ABO blood group with a recombination fraction of 0.04 (0.005-0.11). A multilocus lod score analysis with these seven 9q markers indicated that ASS maps between ABL and MCT136 close to ABO, but it is uncertain if ASS is centromeric or telomeric to ABO.
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