The 24,000-Year-Old Boy Buried With 120 Beads And A Mammoth-Ivory Tiara — And The DNA Test That Revealed A Hidden Source Of Native American Ancestry
The strength of the Native American affinity was the key finding.
The western Eurasian affinity, which was also present, contributed to the interpretation of MA-1 as a representative of a population ancestral to or related to populations that contributed ancestry to both modern Native Americans and modern western Eurasians.
Critically, MA-1 showed no close affinity to modern East Asian populations — the populations that had previously been the primary reference group for Native American ancestry.
This was the finding that most directly challenged the existing models.