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 Topic: Humans Nearly Went Extinct 1.2M Years Ago, or was it the story of Adam and Eve?

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  • Humans Nearly Went Extinct 1.2M Years Ago, or was it the story of Adam and Eve?
     OP - January 25, 2010, 04:31 PM
    Quote
    Hugh Pickens writes

    Scientific American has a story on researchers from the University of Utah who have calculated that 1.2 million years ago, at a time when our ancestors Homo erectus, H. ergaster, and archaic H. sapiens were spreading through Africa, Europe, and Asia, there were probably only about 18,500 individuals capable of breeding in all these species together (PNAS paper here).

    Pre-humans were an endangered species with a smaller population than today's gorillas and chimpanzees. Researchers scanned two completely sequenced modern human genomes for a type of mobile element called Alu sequences, then compared the nucleotides in these old regions with the overall diversity in the two genomes to estimate differences in effective population size, and thus genetic diversity between modern and early humans.

    Human geneticist Lynn Jorde says that the diminished genetic diversity one million years ago suggests human ancestors experienced a catastrophic event at that time as devastating as the Toba super-volcano in Indonesia that triggered a nuclear winter and is thought to have nearly annihilated humans 70,000 years ago.


    source: http://science.slashdot.org/story/10/01/25/0252257/Humans-Nearly-Went-Extinct-12M-Years-Ago

    This has been considered as the scientific evidence for the story of Adam & Eve  Cheesy

    Any views anybody?

  • Re: Humans Nearly Went Extinct 1.2M Years Ago, or was it the story of Adam and Eve?
     Reply #1 - January 25, 2010, 04:36 PM
    Utah? lol no wonder  Roll Eyes
  • Re: Humans Nearly Went Extinct 1.2M Years Ago, or was it the story of Adam and Eve?
     Reply #2 - January 25, 2010, 04:42 PM
    IMHO the research is scientifically valid
    18500 humans and not 2, and 1.2 millions vs 70000

    and he has evidence, its the people comments on the research that gets me wondering
  • Re: Humans Nearly Went Extinct 1.2M Years Ago, or was it the story of Adam and Eve?
     Reply #3 - January 26, 2010, 05:34 AM
    lol you guys should look into the mitochondrial adam and eve.   pretty interesting stuff.
    Nothing can be more contrary to religion and the clergy than reason and common sense. - Voltaire
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