genomic ancestry
When did humankind's last common ancestor live? A surprisingly short time ago
The lines of genealogy of living people converge quickly into the past. Our last genealogical common ancestor lived within the last few thousand years.
![Abstract image showing lines connected into a large network on a parchment background](/content/images/size/w1460/2022/06/genealogy-abstract-books-on-rickety-shelves.jpg)
An update to the 23andMe ancestry algorithm, how it constructs a model of ancestral populations
A blog post from the company describes for beginners how ancestry inference works.