groups Khmer people under the "Indonesian, Khmer, Thai & Myanmar" reference population. This reference population contains people who have had recent ancestors from Cambodia, Indonesia, Laos, Malaysia, Myanmar and Thailand. Immunoglobulin G Hideo Matsumoto, professor emeritus at Osaka Medical College tested Gm types, genetic markers of immunoglobulin G, of Khmer people for a 2009 study. The study found that the Gm afb1b3 is a southern marker gene possibly originating in southern China and found at high frequencies across southern China, Southeast Asia, Taiwan, Sri Lanka, Bangladesh, Nepal, Assam and parts of the Pacific Islands. The study found that the average frequency of Gm afb1b3 was 76.7% for the Khmer population. Gallery See also Anvaya (organization) Cambodian cuisine Chinese Cambodian Khmer Krom Khmer Loeu Kamboj Ethnic groups in Cambodia Ethnic groups in Thailand Ethnic groups in Vietnam References Benjamin Walker, Angkor Empire: A History of the Khmer of Cambodia, Signet Press, Calcutta, 1995. Notes External links Center For Khmer Studies The Khmers via Tamtofi Khmer people Ethnic groups in Cambodia