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Cytogenet Cell Genet. 1985;39(3):200-5.

Chromosome mapping of genes on the short arm of human chromosome 11: parathyroid hormone gene is at 11p15 together with the genes for insulin, c-Harvey-ras 1, and beta-hemoglobin.


The human parathyroid hormone gene (PTH) was mapped to the 11p15 chromosomal band by in situ hybridization. Using the same procedures and cells, the closely linked beta-hemoglobin gene (HBB), the Harvey-ras 1 proto-oncogene (HRAS1), and the insulin gene (INS) were also mapped to this same region. Some reports have demonstrated differences in regional localization of the latter three genes, and linkage and molecular studies have not resolved how far this linkage group extends from p15 toward the centromere on the physical gene map. Our results show that all of these genes are localized at 11p15, a region of one chromosomal band that appears to comprise a genetic distance of more than 20 cM.

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