Long-held and debated theories into the origins of populations within the South East Asia regions have been proven to be inconsistent with the genetic data available, a new study has found. 
Griffith University researchers Professor David Lambert and Dr Sally Wasef from the Australian Research Centre for Human Evolution were part of the international team behind the results published in Science, which included collaborators from the University of Cambridge and the University of Copenhagen. 
For more than 100 years, scientists were divided over two theories on the origins of the ancient peoples that populated South East Asia. 
One group believes the farming practises developed by the Hoabinhian hunter-gatherers who populated South East Asia from 44,000 years ago was an indigenous development, while the other suggests that southward migrating farmers from what is now China replaced the indigenous people and gave rise to the present-day diversity in South East Asia. 
Professor Lambert and Dr Wasef, who focused on studying the

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