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Let's have a genetics discussion, something deep
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[QUOTE]Originally posted by the lioness,: [QB] [QUOTE]Originally posted by .Charlie Bass.: I long ago questioned that study in 2007 that said U6 and M1 were Eurasian haplogroups that arrived 45,000 years ago with the Gravettian culture, so-called with no corresponding male Y chromosones still present in the same population. How likely is it that a bunch of females from two different haplogroups decided to migrate into Northest and Northeast Africa with no males and why? [/QUOTE]I see this "wandering females" type of question come up and it is a question based on false presumption. A popualtion can derive from a single set of ancestors, The assumption is that the females traveled to a new place by themselves, no that is wrong and people like to use that to insert improbability. In reality a small group or larger migrates to a new area and is comprised of BOTH males and females In this new place the one or more of the locals has sex with one or more of the foreign women. A single instance of this can turn into a new populaltion that has male ancestry from one place and female ancestry from another place but it was probably several instances in each situation but add to this one woman could have had multiple children from multiple 'fathers'. These encountes could be from peaceful relations or violent conflict where the men are killed and some females taken and raped. But the result is the same. Children are born a mixture of the two [/QB][/QUOTE]
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