Inheritance of tooth size in Liverpool families.

more fully the inheritance of tooth size in British families. Though twin studies have established a high genetic component in tooth size (Lundstrom, 1948; Osborne, Horowitz, and De George, 1958), few family studies have been undertaken to elucidate the matter further. The studies of Hohl (1934) and Martin (1934) were among the first but used relatively small samples. They calculated both parent offspring and midparent offspring correlations from their data. More recently Garn, Lewis, and Kerewsky (1964, 1965a, 1966) and Garn et al. (1965b, 1967) have undertaken a number of studies, and these will be referred to in the discussion, as will those of Lewis and Grainger (1967).