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  • Title: Genetic analysis of cystic fibrosis: linkage of DNA and classical markers in multiplex families.
    Author: Bowcock AM, Crandall J, Daneshvar L, Lee GM, Young B, Zunzunegui V, Craik C, Cavalli-Sforza LL, King MC.
    Journal: Am J Hum Genet; 1986 Dec; 39(6):699-706. PubMed ID: 3026172.
    Abstract:
    Linkage of cystic fibrosis (CF) to DNA and classical markers was studied in 36 families of two or three generations with at least two living affected children. Among the 79 affected children, no recombinants were detected between the disease and the markers MET and pJ3.11, previously shown to be linked to CF. No linkage between the human trypsin gene family (which appears to include at least 10 members) and CF was found, although not all genes of the trypsin family have been screened yet. In one of the CF families, recombination between MET and pJ3.11 was detected in an unaffected sib. Data from our families suggest that the gene order of markers among chromosome 7q is: (7cen;p8.33)collagen(COL1A2);DOCR1-917;paraoxonase+ ++(PON);(MET-cf-J3.11);T-cell receptor beta chain (TCRB);qter. There was no evidence for (or against) either postzygotic selection or meiotic drive to explain the high frequency of CF in Caucasian populations.
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