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Re: I Obey JTEM
| imipak | 08 Jul 2009 20:54 |
> > You will have noticed, of course, that my original > > post on this thread made no mention of Jews [quoted text clipped - 4 lines] > That's like talking about the Vatican or the Pope and > claiming you never said anything about Catholics. The Cohen Modal Type is a specific modal type that occurs in many J1 and some J2 individuals. It is a genetic trait, not a religious one. The mutation rates for markers are given below. Now, please state what genetics has to do with religion or frak off.
472 0.00001 578 0.00008 426 0.00009 454 0.00016 455 0.00016 436 0.00018 641 0.00018 490 0.00019 450 0.0002 388 0.00022 594 0.00029 640 0.00034 531 0.00037 492 0.00042 617 0.00042 392 0.00052 568 0.00053 590 0.00054 438 0.00055 537 0.00057 393 0.00076 565 0.00087 487 0.00097 437 0.00099
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| JTEM | 07 Jul 2009 01:01 |
> You will have noticed, of course, that my original > post on this thread made no mention of Jews You babbled about the "Cohen Modal Type," AGAIN, despite the fact that you haven't a frigging clue.
That's like talking about the Vatican or the Pope and claiming you never said anything about Catholics.
Loser.
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| imipak | 06 Jul 2009 22:26 |
> > > > Listen, you f.cking idiot, you have no idea what you're > > > > talking about, and you have no business even attempting [quoted text clipped - 17 lines] > > Bleh. You will have noticed, of course, that my original post on this thread made no mention of Jews (it solely discussed the concepts of haplogroups, modal types, what they were and how they could be dated), but did predict trolling from JTEM and Matt. And, guess what! Mind you, it was a safe bet they'd never actually READ the post. For starters, they can't read. For another, they're much too interested in bashing to actually discuss anything.
Sure, I referred to the Cohen Modal Type. I also referred to the R haplogroup and the modal type for that. In neither case did I describe any ethic, racial or religious group to those modal types. This was something Matt and JTEM added all on their own, with no outside help. Which goes to show one thing - they're obsessive as hell. Instead of a rational debate about what might be meant by the genetics, the Two Trolls Of SHA were much too busy tilting at windmills.
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| igor | 06 Jul 2009 20:10 |
> > > Listen, you f.cking idiot, you have no idea what you're > > > talking about, and you have no business even attempting [quoted text clipped - 15 lines] > > Idiot. Bleh.
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| JTEM | 06 Jul 2009 19:10 |
> > Listen, you f.cking idiot, you have no idea what you're > > talking about, and you have no business even attempting [quoted text clipped - 11 lines] > > No, Yes.
Idiot.
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| igor | 06 Jul 2009 17:46 |
> > Now, remember boys and girls, displacement from > > the modal type means you are no longer of the [quoted text clipped - 18 lines] > intermarried with their local non-Jewish populations, or > are descendant from latter day converts. No, your simple mind cant understand the extent of the issue. Canaanites or Phoenicians as Greeks used to call them constitute a large portion of Jewish etnos and so do many Europeans.
http://en.wikipedia.org/wiki/Cardium_Pottery
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| JTEM | 03 Jul 2009 06:21 |
> Now, remember boys and girls, displacement from > the modal type means you are no longer of the [quoted text clipped - 4 lines] > to a haplogroup whose modal type is NOT of the > Cohen Modal Type is Cohen Modal Type. Listen, you f.cking idiot, you have no idea what you're talking about, and you have no business even attempting it.
The whole point of the "Cohen Modal Type" is that the vast majority of Jews -- oh, 90% or more -- don't match it. In fact, most of those claiming to be "descendants of Aaron" don't have it. But, PLENTY of non-Jews do!
So, what does it "prove"? Absolutely NOTHING. What does it suggest? That the vast majority of Jews either intermarried with their local non-Jewish populations, or are descendant from latter day converts.
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| imipak | 03 Jul 2009 05:37 |
The following page lists the mutation rates for various short tandem repeats (STRs) in the Y chromosome. These mutations are used to track the movement of populations over time.
http://freepages.genealogy.rootsweb.ancestry.com/~geneticgenealogy/ratestuff.htm
(It turns out, from very recent studies, that the very slow-mutating STRs vary in their mutation rate over time, so this table is not 100% correct, but it's good enough for the timescales we're concerned with. Those changes are only important to those studying humanity back tens or hundreds of thousands of years.)
The way it works is simple enough. There is an equal (roughly) probability of an STR lengthening or shortening, so the standard modal type (the mode of the frequency of the various STRs across the whole of a population) will - for a statistically large enough population - be identical to the founder's STR's. (There will only ever be one founder for a given SMT, as the Y chromosome is inherited along the male line only.)
A given STR is known as a genetic marker and the number of times it occurs is the value of that marker.
Because values can both increase and decrease, it's not just a simple matter of looking at a handful of markers to see where someone fits in. Even the broadest classifications usually require about 12 markers, and generally nobody trusts a result under 37 markers, and most serious investigators go into the 67+ range.
However, STRs aren't the only thing people check these days. It's long- since evolved into hunts for single-nucleotide polymorphisms (SNPs).
http://en.wikipedia.org/wiki/Single-nucleotide_polymorphism
Again, these are inherited along the male line, and as with STRs, they change very slowly. If a person has an identified grouping of STRs and SNPs, there is no serious question of them having a direct common ancestor along the paternal line with every single person with those same STRs and SNPs. By looking at the mutation rates of the various STRs, and by examining when specific SNPs appear, it is possible to build a very sparse but entirely sound family tree of haplogroups. An example for the R haplogroups can be found here:
http://www.isogg.org/tree/ISOGG_HapgrpR09.html
You can then calculate the time to the most recent common ancestor of any two people with the same haplogroup, by looking at the precise differences in the more rapidly-changing markers and the probability of those changes happening. What you end up with is a probability curve that obviously can't extend beyond the age of that given haplogroup. This curve tells you the probability that this most recent common ancestor appeared more recently than a given amount of time back. You can further refine the curve by taking into account what you know about your family tree and therefore what you can exclude as possibilities.
A similar technique exists for mitochondrial DNA, which is only inherited on the female line, but the haplogroups for that tend to be much more ancient. This makes it great for validating where ancient populations as a whole were at a given time, but it's less useful for genealogical work at this time.
(Although there has been some good work done since on non-European populations, a good introduction is Syke's book "Seven Daughters of Eve", named for the seven haplogroups he identified as stemming from Mitochondrial Eve, the earliest woman we can uniquely identify through mtDNA.)
Now, with respect to the people of the near East, the page of interest is this one:
http://www.isogg.org/tree/ISOGG_HapgrpJ09.html
Now, remember boys and girls, displacement from the modal type means you are no longer of the modal type, so nobody who belongs to ANY haplogroup for which there has been a mutation on ANY marker out of those used for the Cohen Modal Type =OR= carries an SNP belonging specifically to a haplogroup whose modal type is NOT of the Cohen Modal Type is Cohen Modal Type.
As the CMT occurs in both J1 and J2 (but not J), there is a precursor haplogroup currently unidentified that is common to J1 and J2 and descended from J that this modal type appears in. The majority of descendent haplogroups will have mutated off the modal type. Since J1 and J2 spawn off it, and there are no other J lines, there's clearly a genetic bottleneck at the time the CMT appears, at least within the J haplogroup, and may extend back indefinitely into J but no further back than that. There is nothing significant in any other haplogroup at the time, so no planetary disaster need be considered, but clearly there's a regional problem and it only affects these people, not other populations in the region at the time.
I will leave it to others to bicker and squabble over how to interpret the data, though doubtless those most inclined to bicker and squabble will neither reference the data nor make use of it. Doubtless, too, we'll see repeated arguments over what "modal" means, who knew what when, and who defined what how, but that sort of trash is best left to the experts on trash. Those interested in the science can reach their own conclusions, WHETHER OR NOT THOSE AGREE WITH ANYONE ELSE'S VIEW. There is no requirement to adhere to a specific viewpoint in science, merely an obligation to use the best data available and a gentlemen's agreement to respect when that data contradicts a cherished belief.
How does this impact history, which is written, not bred? Well, it's quite fascinating. It turns out that technology and culture flow quite independently of populations. Since culture includes traditions and socially-maintained belief systems, and technology leaves the artefacts, this can seriously screw with written histories and archaeology in unpredictable ways. As a result, genetic archaeology (studying the genetic markers of the DNA found in human bones and hair from archaeological sites) is proving important in unscrambling the omelette.
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