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Domestication is a multi-faceted process that is amenable to study by a wide range of disciplines,including archaeology,anthropology,molecular genetics,and evolutionary biology.Domesticated soybean(Glycine max(L.)Merr.)and its wild progenitor,G.soja exhibit substantial morphological difference in growth habits,seed-coat color,seed size and so on.Our genealogical analyses of 420 G.max and G.soja accessions indicated cultivated soybean tended to form a monophyletic clade with respect to G.soja and the primary division of genetic diversity was between the wild and domesticated accessions.