Assertion: austronesian expansion | /r/HasProperty | posited by the out of taiwanmodel
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text: But they proposed that rather than a monolithic "Austronesian expansion" as posited by the "Out of Taiwan" model, it was instead a process of cultural diffusion and assimilation that brought linguistic and cultural changes (particularly rice cultivation) but had relatively minor genetic impact (an average of 20%) on preexisting populations in ISEA.