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  • Title: Polymorphisms of a human variable heavy chain gene show linkage with constant heavy chain genes.
    Author: Johnson MJ, Natali AM, Cann HM, Honjo T, Cavalli-Sforza LL.
    Journal: Proc Natl Acad Sci U S A; 1984 Dec; 81(24):7840-4. PubMed ID: 6096861.
    Abstract:
    In this study, restriction fragment length polymorphisms (RFLPs) were identified with an immunoglobulin variable heavy chain region (Ig VH) probe and the inheritance of the polymorphisms was analyzed in families. Linkage within the VHII gene cluster and between the VHII and Ig CH genes was investigated by lod (logarithm of odds) score analysis. In addition, the position of the VHII genes was determined in relation to another polymorphic locus--D14S1, which is tightly linked and centromeric to the CH genes. Genetic associations between genes in the CH and VH clusters were analyzed. These RFLPs represent genetically characterized VH region polymorphisms and it is hoped that they will facilitate the study of disease correlations as well as further the understanding of the genetics of the immunoglobulin heavy chain genes in humans.
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