title: ARE THE MN BLOOD GROUPS MAINTAINED BY HETEROSIS?
mesh_terms: D044466:Asian People; D001789:Blood Group Antigens; D006801:Humans; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D009693:Nucleic Acid Hybridization; D013223:Statistics as Topic; D044465:White People
chemical_list: D001789:Blood Group Antigens
keywords: BLOOD GROUPS; CAUCASIAN RACE; HYBRIDIZATION; MONGOLOID RACE; STATISTICS