FRANCE: According to a new study, the earliest Americans were having singularly Siberian origins; they entered the continent through the Bering land bridge. This includes an earlier migration that predates the last glacial maximum and the idea that there were multiple independent migration waves that led to major subgroups of Native Americans today. A global team has concluded that this happened 11,500-14,500 years ago, though, as genomic analysis progresses a more precise time frame will be made available.
The study found that, based on genetic analysis, these early Siberian forebears initially settled in Alaska for possibly thousands of years before the diaspora that populated the rest of North, Central and South America.
The data sets consisted of genomes mapped from the remains of 23 different North and South American individuals that have been dated to between 200 and 6,000 years ago.
According to the Beringia standstill hypothesis, the population of humans would have continued to be stranded on this land bridge approximately 15,000 years before passage into the continent became possible as a result of ice melt.
The study also shot down some previously held assumptions.
According to UC Berkeley professor Rasmus Nielsen, the first unique Native American culture, known as the Clovis, first appeared around 13,000 years in the past, which corresponds with the time that modern Native American bloodlines began to diversify.
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