Larena et al. 2021 could reproduce the genetic evidence for the origin of Basal East Asians in Mainland Southeast Asia, which are estimated to have formed about 50kya years ago, and expanded through multiple migration waves southwards and northwards.
lˈæɹɛnə ˈɛt ˈæl. tˈuː θˈaʊzənd twˈɛnti wˈʌn kʊd ɹᵻpɹədˈuːs ðə dʒɪnˈɛɾɪk ˈɛvɪdəns fɚðɪ ˈɔːɹɪdʒˌɪn ʌv bˈeɪsəl ˈiːst ˈeɪʒənz ɪn mˈeɪnlənd sˈaʊθiːst ˈeɪʒə, wˌɪtʃ ɑːɹ ˈɛstᵻmˌeɪɾᵻd tə hæv fˈɔːɹmd ɐbˌaʊt fˈɪfti kˈaɪə jˈɪɹz ɐɡˈoʊ, ænd ɛkspˈændᵻd θɹuː mˌʌltɪpəl maɪɡɹˈeɪʃən wˈeɪvz sˈaʊθwɚdz ænd nˈɔːɹθwɚdz.