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Politics : Formerly About Advanced Micro Devices

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To: tejek who wrote (246343)	8/17/2005 10:16:50 AM
From: neolib	Read Replies (1) of 1572108

Neanderthals are not part of our ancestry? Can you tell I don't have a science background? There is still some wiggle room. Only a portion of Neanderthal mitocondrial DNA (mDNA) was sequenced. Since mDNA passes down the maternal line without modification, if any living human was descended from a Neanderthal female, we would find modern human mDNA that should closely match this 25K year old Neanderthal mDNA. Unfortunately, the amount sequenced so far would seem to place the differences as two great. IIRC a plot of the differences has the distribution of humans, neanderthals & chimps forming distinct clusters with the human-neanderthal difference being about 20-30% of the human-chimp difference. There is some hope of sequencing actual neanderthal chromosomal DNA, but I don't know what stage that is at. It will be very interesting if this is successful, with implications for the creation/evolution debate, as currently creationists either lump neanderthals as human or ape, the world being necessarily binary in that regards form their POV. The genetics will place it somewhere in an island of its own, but closer to humans is my WAG based on the mDNA results so far.

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