Eh, I'd keep "that Y-line just didn't survive the last N0,000 years" as the default assumption. Just out of curiosity do you know if the Neanderthal mitochondr

Eh, I'd keep "that Y-line just didn't survive the last N0,000 years" as the default assumption. Just out of curiosity do you know if the Neanderthal mitochondrial line survives in humans today?