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Hum Hered. 1994 Jul-Aug;44(4):181-90.

Analysis of HLA haplotype segregation in the Schmiedeleut Hutterites of South Dakota.

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Burroughs Wellcome Company, Research Triangle Park, N.C.


HLA data from 1,085 South Dakotan Schmiedeleut Hutterites were examined for evidence of nonrandom transmission of haplotypes. The inheritance of haplotypes was viewed as a series of genetic contests between competing pairs of parental haplotypes using a maximum likelihood approach first put forward by Carlisle and Woodbury. Haplotype transmission probabilities were expressed in terms of weights, and the null hypothesis that the inheritance pattern was a random stochastic process, equivalent to the equality of the weights, was tested via the likelihood ratio. A total of 1,517 competitions was subjected to analysis, first globally using all data, and then for particular haplotypes of interest. Transmission of haplotype observed to compete with only a single other haplotype was also assessed using an exact procedure. No evidence of preferential transmission of HLA haplotypes was found. These results do not rule out transmission biases that may arise because of selection against homozygotes, mechanisms specifically affecting particular alleles or haplotypes not considered in the present study, or biases arising from maternal-fetal interactions.

[Indexed for MEDLINE]

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