Comments by "jorge luis barrios mur" (@jorgebarriosmur) on "Did a Deadly Plague Destroy Neolithic Europe?" video.
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If enough people died from the plague (and if it was the pneumonic version it could have easely been 90%), and the people of the steps took over the "empty" lands, cornering or absorbing the few descendants of the initial survivors, the surviving of the femenine DNA-line (and the extintion of the masculine) could be explained through a combination of patriarchism and racism.
In the conquest of america for example, few families would tolerate a "lower" indigenous men (or even half-blod men) to marry their daughters or sisters (even if this women were, themselves aready halfblodded), while, it was more common that indigenous woman were "allowed" (forced, sometimes) to breed with the proud and "superior" colonisators.
The incorporation of indigenous DNA in the new "main-DNA-pool" would be, almost always, throug maternal line, so, that if the indigenous society and DNA pool ceases to exist, because they were efectively incorpored into that of the newcomming people, the paternal line of DNA would be doomed sooner or later.......
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