William DeWitt @wsdewitt.github.io · May 20 To get a global view on the mutation histories for all populations, we did a manifold embedding through time for each population. We see trees of population and superpopulation relatedness emerge, depicting divergence of the mutation process over recent human history. (13/n)
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Finally, we revisit the TCC>TTC signature found by @Kelley__Harris and @jkpritch, and also by @leo_speidel et al, to have undergone an ancient pulse of intensity in European ancestry, and absent from others. We show that this pulse may be much older than previously thought (14/n)