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I guess maths work the same now than in the Bronze Age, from 70 to 20 in 2000 years, how?
Aside :
this thread begun by questions about an overinterpretation of the females mobility between Chalco (not Neolithic) and Bronze, based upon a survey concerning about 80 skeletons ; study of mt-DNA and strontium to evaluate mobility, without studying autosomal DNA : first error : auDNA can often give reliable results even without a numerous sample ; haplo�s need bigger samples to take sense statistically -
as others, I think females in these times were sometimes either picked here and there by free young warriors and by male elites on their way to new places, even if some previous wives were kept along; when some tribe was stabilised (at least for some generations), some surrounding autochtonous females were added to the others ; then they were not obliged to came from too distant places, even if they could show some differences in places markers like strontium � only the males elite could contract alliances and take wives of foreign tribes for political purpose, sometimes far enough places � the cultural input of these new females was not too high I suppose and they did not play a big political role neither beside their position of �guest� and peace link,with some exceptions � I don�t see personally women deciding independently to take the road to cross lands and lands like globe-trotters to settle freely in new places, in those times at least -
BB�s male showed big mobility too : strontium and Cy are not always sufficient tools to tell us the very place of origin of somebody � seemingly it shows very well differences of geology at a local level but its power of precise geographic identification is somewhat limited in most of the cases, I think after some readings � well, so, BB�s males moved, that is the point ; but the big network of their culture in Western Europe is surely not based upon a continual migratory advance, but after some time upon an exchanges territories where someones went and came (go an return), and this could have given rise by time to moving females too, at least one time in their life before new stabilisation, and rise to an homogeneization of the mt- pool in the final stages, on the way to the current distribution at least in places of Western Europe -
Y-R1b-L23 and downstream SNP�s are not autochtonous in Western Europe and seem having moved from Eastern places, relatively quickly at the history scale, on a very large territory and at first in some form which evocates migration or expansion before partial stabilisation and coming backs � I suppose the females (and their mtDNA) who moved/integrated from foreign cultures did this in a very different way and at a smaller geographic scale ;
- concerning the supposed Y-R1b-steppes auDNA association, the overwhelming dominance of this haplo in Western Europe could not concern only the elite and it is rather the result of monopolisation of �autochtonous � females (BB�s surely did not kill all the males, and evidently less the females, they apparently took the monopole on these last ones) -
the BB�s of Germany when placed on PCA�s show a large geographic spectrum in despite of their Y-haplogroups global homogeneity � even if they are not all of them of the same generation this proves that they continued taking females in diverse populations formed with relatively different % of admixture � if they had taken foreign females at the origin or on their way and kept them later after settling without more crossings, their auDNA would have become more similar at last what has not been the case so it suggests they kept on taking new females still a long time -
& : to take an example : a clan with 60 % �steppes� ancestry taking foreign wives (here, keeping their previous wives) on the road � aisle � :
every generation, 20 % of new wives :
children generations : 1�: 54 % - 2�: ~49 % - 3�: ~44 % - 4�: ~39 % - 5�: 35 % - 6�: 32 %
every generation, 40 % of new wives :
children generations : 1�: 48 % - 2�: ~34 % - 3�: ~27 % - 4�: ~22 % - 5�: 18 % - 6�: 14 %
We can that about 6 generations of crossings, it�s to say 150 to 200 years, we arrive far enough from the previous 60 % of �steppe� - of course it depends on the % of new females ; here I have taken a constant % of foreign wives � surely it has not been like this everywhere for every generation, it�s just stubborn maths � and the old admixture components dont� not evolve so quickly because they were shared in diverse proportions by different ethnies ; here I considered only the well identified �steppe� autosomal component � but we can understand that, when it was matter of young warriors � swarmings � (�ver sacrum� or not) or little sets of prospectors without wives, the first generation could pass from 60 % to a dry 30 % -
I spoke of 'steppe' auDNA dilution, not seriously about 'steppe'-IE relation because the problematic here is far more complex I think.
Ancient antrhopology show a EHG or maybe already 'EHG'>'steppe' females introgression into Cucuteni/Tripolje, but I doubt it gave way to indoeuropeanisation of Cucuteni/Tr. culture concerning language. To me, to pass language, females in these societies needed a strong percentage domination to become effective... Only my way to see, because serious surveys about the cases of language shift are still very scarce, or I'm not aware of them.
children generations : 1�: 48 % - 2�: ~34 % - 3�: ~27 % - 4�: ~22 % - 5�: 18 % - 6�: 14 %
We can that about 6 generations of crossings, it�s to say 150 to 200 years, we arrive far enough from the previous 60 % of �steppe� - of course it depends on the % of new females ; here I have taken a constant % of foreign wives � surely it has not been like this everywhere for every generation, it�s just stubborn maths
In 200 years? but the worst is to explain the 2000 years gap, as Alpine reservoirs of EEF is more like a bucolich picture.
This is all just equality-fuelled rubbish by the way, women never migrated on their own. I hate stuff like this, it reminds me of when they "discovered" that supposed female Viking warrior... give me a break! The absolute worst was that supposed transgender Corded Ware male, but thankfully even the scientifically inbred, self-serving cesspit of political correctness that is modern archaeology largely rejected that, but not without hesitation... etrified:
We're doomed for the next generation.
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