Originally posted by MMaddi
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Understanding Raw Data
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Originally posted by Applegatej1 View PostFrom reading the posts on this thread I have the idea that the data in the column labled Allele2 has no value (delete it) and the data in the column labled Allele1 are my test result. Is that correct?
There are a handful of SNPs where they had to gerry-rig the result (as the chip had a difficult time distinguishing a positive from a negative).
So, if you have a split result in a Y-DNA SNP, it would usually mean that you are positive for this SNP. However, I have also seen cases where a split result means the chip is failing to read the SNP properly. (Somewhat of a mess, but it is what it is!)
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FTDNA has my terminal SNP as L2 and Geno 2.0 puts it as Z49. As best as I can determine ISOGG has my downstream phonology as show below. Could someone help me understand how some one could have positive SNPs below a negative one? Also ISOGG considers Z51 a private SNP; how many people need to test positive for that SNP before it is no longer considered private?
L2+.....Z367-.....L20-.....Z35-
...........L196-
...........Z49(split)+.....Z142-.....L562+.....Z57-
..............................................Z51+
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