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E1b in South Asian samples?
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[QUOTE]Originally posted by Tukuler: [QB] If there's no contamination or damage it's not aDNA. With aDNA conclusions can only be drawn from what's there. Complaining about what's missing doesn't change that. _ _ _ _ _ JUS 4 PHUN When I saw Chimp as A I simply thought it meant the hominid-ape split. Chimp is often used as human outgroup. Chimp helps us understand our own selective sweeps. Perry's A00 nrY proved older than Jebel Irhoud's bones. [IMG]http://2.bp.blogspot.com/-YpPUvpz7aDk/UTYOMivISWI/AAAAAAAABpg/k5ncTernMEA/s1600/A00-age.png[/IMG] At some point in time Chimp and Hominid shared a daddy. Whether his nrY Hg survived in either species, I don't know. Full sequence studies on Chimp Y chromosome don't address this. An interesting read : Sahelanthropus tchadensis, a species believed to be an early human precursor. S. tchadensis, or Toumaï fossils have been dated to the proposed interval period between the initial divergence and the final human-chimp genetic split. The Toumaï species has what are considered distinctive human features and consequently has been regarded as evidence that the lineages must have split before Toumaï's era, estimated at 6.5 to 7.4 million years ago. "It is possible that the Toumaï fossil is more recent than previously thought," Nick Patterson, a senior research scientist at the Broad Institute, said in a statement. "But if the dating is correct, the Toumaï fossil would precede the human-chimp split. The fact that it has humanlike features suggests that human-chimp speciation may have occurred over a long period, with episodes of hybridization between the emerging species." [/QB][/QUOTE]
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