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Ancient Egyptian DNA from 1300BC to 426 AD
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[QUOTE]Originally posted by Cass/: [QB] [QUOTE]Originally posted by Oshun: It appears you're saying that Lower Egypt was sparsely populated. Tho the more sparsely populated, the fewer people would've needed to have settled there to reach the 3-5% threshold (and apparently there were settlements). Both regions could've reached needed thresholds with very few people navigating both ways. The theory isn't insisting on a mass invasion or immigration, but an event that happened over thousands of years by very low numbers over the course of many generations.[/QUOTE]How much percentage of south Levantine ancestry are you saying accumulated in north Egyptians? For south Levantine ancestry to accumulate in north Egyptians to the extent it is as high as 80%: the south Levant population size would have to be a lot larger than north Egyptian. This is explained by migration matrixes; its technical population genetics. Its hard to explain to someone who hasn't looked at this. The only reason I know it is because I've used the same argument of accumulative ancestry over a long period of time (through small scale gene flow) as an alternative to the Out-of-Africa hypothesis. But when I use this argument: I can actually show population [i]A[/i] is far larger than population [i]B[/i] for it to work, yet you have not shown any evidence the south Levant was significantly larger in population size to north Egypt and I don't think it was. If there is small recurrent gene flow between populations of relatively equal size - there is minimal to no accumulative ancestry, i.e. there will be a low equilibrium where no more than 10% of population [i]A[/i] derives its ancestry/genes from population [i]B[/i], and vice-versa. High equilibrium is only reached if population [i]A[/i] is a lot smaller/larger than population [i]B[/i]. This is explained in detail by Relethford (1999). http://content.csbs.utah.edu/~rogers/ant6299/readings/Relethford-EA-8-7.pdf [/QB][/QUOTE]
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