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Update on HG I vs HG Ia
Posted by: James Cady (ID *****4689) Date: March 03, 2013 at 18:50:03
In Reply to: Yet another SNP question - P19 by melissa1 of 4712

Basically, you can get more info on familytreeDNA.com, but in short Ia and I are the same. The difference is someone figured out that Hg I continues to exist and before it was just listed on the tree as Ia,Ib& Ic now it is I,Ib and Ic.

As far as M (Stanford Univ. Lab) #253 refers to the list of repeats of C G T A in the DNA. This being the 253 variant. Look on Wikipedia.com for more details.


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