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An estimate of the recombination frequency between the B locus and the D locus within the major histocompatibility
Mixed leukocyte culture studies on 120 families, including 120 HLA haplo-identical siblings and 210 HLA-identical siblings, were analyzed for unusual patterns of reactivity. Three discrepant reactions were noted in which cells from HLA-identical siblings showed strong mutual stimulation. These data provide an estimate of 0.0065 as the recombination frequency between the HLA-B and HLA-D regions of the major histocompatibility chromosome in man. When combined with the data of Keuning et al. (1975), the value is 0.0068 with a 95% confidence interval of 0.0022 to 0.0158.
Mixed leukocyte culture studies on 120 families, including 120 HLA haplo-identical siblings and 210 HLA-identical siblings, were analyzed for unusual patterns of reactivity. Three discrepant reactions were noted in which cells from HLA-identical siblings showed strong mutual stimulation. These data provide an estimate of 0.0065 as the recombination frequency between the HLA-B and HLA-D regions of the major histocompatibility chromosome in man. When combined with the data of Keuning et al. (1975), the value is 0.0068 with a 95% confidence interval of 0.0022 to 0.0158.