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New Format on Familytreedna Chromosome Browser

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  • New Format on Familytreedna Chromosome Browser

    What do the Gray striped areas on the Chromosomes mean? I don't remember seeing those before on the Chromosome Browser. Thanks

  • #2

    https://www.familytreedna.com/learn/...osome-browser/

    "On the Chromosome View, the striped, gray segments signify that the region is “SNP Poor.” That is, the microarray chip did not include enough data points in this area to make a scientifically sound judgment about whether or not the match’s segment is Identical By Descent (IBD). When segments that cross these areas are evaluated for IBD status, they are treated as two separate segments, one on each side of the SNP Poor area."

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    • #3
      Thank you very much!

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