To: PatrickHenry
It could be argued that his model for migratory pressure is flawed, if human nature is to be considered. Humans are much more ambulatory than the study would intimate, certainly over the long periods of time under study.
His study would probably be more accurate for colonies of bacteria.
To: nightdriver
It's not just one study, there are a lot of studies, all over the world.
I have ordered a kit to have my own mitochondrial DNA tested It's all the rage with genealogists. My own DNA will tell me whether it's true that my great-great-grandmother was half Native American. If the roots go directly to Europe, then it's probably not true. Actually I might have my mother take the test, our mitochondrial DNA will be identical (more or less) and my siblings would probably get more out of it symbolically coming from her than from me.
I am going to get a nuclear DNA (Y-chromosome) kit as well as a mitochondrial DNA test for my dad.
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