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- Xref: sparky sci.skeptic:22737 alt.atheism:26832
- Newsgroups: sci.skeptic,alt.atheism
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!daffy!snake12.cs.wisc.edu!mccullou
- From: mccullou@snake12.cs.wisc.edu (Mark Mccullough)
- Subject: Re: Eve Mitochondia?
- Message-ID: <1993Jan22.193415.4409@daffy.cs.wisc.edu>
- Sender: news@daffy.cs.wisc.edu (The News)
- Organization: University of Wisconsin, Madison -- Computer Sciences Dept.
- References: <eur.727528220@dutncp8> <HANCHE.93Jan20122755@ptolemy.ams.sunysb.edu> <stormo.727576257@beagle>
- Date: Fri, 22 Jan 1993 19:34:15 GMT
- Lines: 48
-
- In article <stormo.727576257@beagle> stormo@boulder.Colorado.EDU (Gary Stormo) writes:
- >hanche@ams.sunysb.edu (Harald Hanche-Olsen) writes:
- >
- >>>>>>> In article <eur.727528220@dutncp8>, eur@dutncp2.tn.tudelft.nl
- >>>>>>> (Eur van Andel) writes:
- >
- >>Eur> Not quite true. All of mankind DOES descend from one woman, and MORE than
- >>Eur> one man. (this is a bit difficult to understand, but true nontheless )
- >
- >>But it is very likely also true that we all descend from one man, and
- >>more than one woman. To be precise, only if we trace our ancestry
- >>through our mothers, their mothers, etc., will there be a unique
- >>common ancestor (Eve) for us all (and unique only if you don't count
- >>her mother, and so forth). Statistical theory predicts that if we
- >>trace our ancestry through our fathers instead, there will be a unique
- >>forefather back there. It's just that it's impossible to trace this
- > ^^^^^^^^^^^^^^^^^^^^^^^^
- >>through the genetic record, which is why no one ever talks about Adam.
- >>No reason to believe that Adam and Eve even knew each other, BTW...
- >
- >>- Harald
- >
- >Not true. Just as mitochondrial DNA is inherited maternally, Y-chromosome
- >DNA is inherited paternally. So the same analysis could be done using
- >Y-chromosome DNA. It is technically more difficult, but I have heard
- >that it is being done (don't remember where or who).
- >
- >The notion of calling these ancestors Adam and Eve is misleading. What
- >can be identified are the nearest common ancestors through a strictly
- >maternal or paternal line. The usual (biblical) interpretation of
- >Adam and Eve would be people who are the sole contributors to all of the
- >current human genes. While the "Eve" uncovered by mitochondrial DNA
- >analysis is the nearest common ancestor through strict maternal lineage,
- >there could be many other women concurrent with her that contributed to
- >the current human genome. As an example, my mother has many descendants,
- >10 grandchildren, but none of them have her mitochondrial DNA because
- >she had only sons. Her genes exist in her grandchildren's generation,
- >but not her mitochondrial DNA.
-
- There is one slight problem with all of this. On certain cases, (rare I
- admit, but it does occur), mitochondrial DNA can come from the father.
- This is a major stumbling block for the "Eve" hypothesis, though it is
- fairly new. Some Bio people out there may know more on this than I do,
- I just collect a few weird facts.
-
- M^2
-
-
-