Summary
In a consanguineous pedigree in which a severe type of osteogenesis imperfecta was segregating as an autosomal recessive trait, analysis of genetic markers for both collagen I structural loci COL1A1 and COL1A2 showed that the phenotype was unlinked to either locus.
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Aitchison, K., Ogilvie, D., Honeyman, M. et al. Homozygous osteogenesis imperfecta unlinked to collagen I genes. Hum Genet 78, 233–236 (1988). https://doi.org/10.1007/BF00291667
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DOI: https://doi.org/10.1007/BF00291667