“…These three blood group systems are quite useful for studying population affinities on account of their high polymorphic content. The populations included were Khmer, Vietnamese, Chinese-1 (Mainland Chinese, mainly Han), Thai, Filipino, Indonesian (Bali), Burmese, Malay-M (mainland Malaysia), Chinese-2 (Singapore), Malay-S (Singapore), Munda, Tibetan, Sikkimese, Bhutanese, Nepalese, Santal, Khasi, Meities, Ahoms, Negritos, and Toba Batak (Nakajima et al, 1963;Chandanayingyong et al, 1967;Mya-Tu et al, 1971;Blake et al, 1973;Hawkins et al, 1973;Hawkins, 1974;Bhattacharjee, 1975;Mourant et al, 1976;Breguet et al, 1982a,b;Windhof and Walter, 1983;Das et al, 1985;Singh et al, 1986;Hoang et al, 1987;Mukherjee et al, 1987;Saha, 1987Saha, , 1989Roychoudhury and Nei, 1988;Saha and Tay, 1990). All populations except the last two, Negrito and Batak, are regarded as Mongoloid.…”