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What do the colors for the marker results on the Y-DNA Colorized chart mean?

April 26, 2017chart colorized colors Marker mean results Y-DNA

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What do the colors for the marker results on the Y-DNA Colorized chart mean?

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The Y-chromosome DNA (Y-DNA) results chart is color coded to show where someone in a subgroup differs from the calculated modal value for an STR (short tandem repeat) marker. For each step less than the modal value, a progressively darker shade of blue is used for the background color. -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 For each step greater than the modal value, a progressively darker shade of pink is used for the background color.