Inheritance of immunoglobulin E: Genetic model fitting

Abstract
Total serum immunoglobulin E (IgE) concentration was measured on 316 members of five pedigrees selected through breast cancer probands. Sex‐ and age‐adjusted natural logarithm‐transformed IgE level was not found to differ between individuals with breast cancer or with cancer of any site and other relatives. Likelihoods of the polygenic and of one‐locus, two‐allele major gene and mixed models were computed. The analysis provided evidence for the presence of a polygenic component in the determination of IgE; it did not show evidence of a major gene effect.

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