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J Med Genet. 1980 December; 17(6): 447–452.
PMCID: PMC1885920

Location of the gene for 21-hydroxylase deficiency.


HLA typing of 33 families with one or more children suffering from congenital adrenal hyperplasia confirmed that the gene for 21-hydroxylase deficiency is closely associated with the HLA region. Analysis of two families in which recombination of chromosome 6 had occurred indicated that the gene locus is between the A and D loci of the HLA region. The rare allele Bw47 was observed in 18 parents and was always associated with the carrier state for 21-hydroxylase deficiency.

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  • Hughes IA, Laurence KM. Antenatal diagnosis of congenital adrenal hyperplasia. Lancet. 1979 Jul 7;2(8132):7–9. [PubMed]

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