Estimation of inbreeding by isonymy in Iberoamerican populations: an extension of the method of Crow and Mange.

摘要: The method of isonymy for the estimation inbreeding levels was extended to use potentialities offered by Iberoamerican surname system, in which a child inherits his surnames both from father and mother. Four possible types were recognized between family names husband-wife pair. It found that, limited simple consanguinity, ratio coefficient consanguineous individuals, starting first cousins, is constant equal 16. Consanguinity studied four Venezuelan groups, Isla de Toas, Los Teques, Quibor, Colonia Tovar, using genealogies, classical isonymy, method. populations, more precise than