Here's a dumb question

[Jerome]

If Yana dna was in Europe we would see many P and R1b and R1a even in the west part of the continent in the Ice Age which is not the case

Instead Yana is obviously
U from Europe
P from Asia

unless we find some K2b among aurignacians but that is unlikely

The thing is that all qpgraphs and admixtrees always calculate the west Eurasian side of ANE as splitting earlier than aurig/gravets, so I would say that aurigs are actually a mix of proto-ane like people who moved east into Europe from the (Caspian sea area?) and mixed with BK/crown Eurasian like people.