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Title: A score test for the possible presence of recessive alleles in generalized ABO-like genetic systems.
Authors: Gart JJ,  Nam JM
Journal: Biometrics
Date: 1984 Dec
Branches: BB
PubMed ID: 6534417
PMC ID: not available
Abstract: In generalized ABO-like genetic systems, particularly for certain human leukocyte antigen (HLA) loci, it is quite likely, even for large sample sizes, that no double recessives (or 'double blanks') may be found. It has been suggested that all such data should be analyzed as if the true recessive gene frequency were 0. We derive an easily computed score [or C(alpha)] statistic which tests for the possibility that, in such instances, this frequency may exceed 0. An associated point estimator is suggested. The methods are applied to the data analyzed by Smouse and Williams (1982, Biometrics 38, 757-768).