of alcoholism (Berkowitz and Perkins, 1988; Chassin et al., 1999; Chermack et al., 2000; Crum and Harris, 1996; Curran et al., 1999; Sher et al., 1991) and other studies suggesting that genetic factors in the transmission of alcoholism in particular may be relatively stronger in men than in women (Light et al., 1996; McGue et al., 1996) or no different between men and women (Heath et al., 1997; Kendler et al., 1995).