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Interesting... but if we go back far enough, down the evolution chain... no matter where we are on earth shouldn't we all have evolved from the same place meaning that now matter where we started or where we went we have evolved from the DNA? Or over the years does that not matter because it out mutates the distinguishing code?</p>
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Yes at a certain point we are all the same. When populations of humans remained in one place for a period of time, their DNA changed. Thats how scientists can look at your Y chromosome and literally trace where your (paternal) ancestors traveled since leaving Africa.</p>
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I watched a doc where they tested a bunch of people in new york to trace their lineage. Some peoples ancestors went out of africa, back to africa and back out again.</p>
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With all those south pacific Islands, they believe at the time people came, all the south pacific islands were connected via land bridge or at least very little distance.</p>