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DYS439 Null Value

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  • DYS439 Null Value

    Dear FTDNA Participants,

    Family Tree DNA has recently changed their way of reporting a null value for Y-Chromosome marker DYS439.

    To see if you have a "null439", go to http://www.familytreedna.com and enter your Kit Number and Password under "MY FTDNA." Then go to the "Y-DNA DYS Values" tab and check you results.

    A null value is indicated by a blue asterisk beside DYS439 and text that reads:

    * System assigned value. Your DNA sample produced no result for DYS 439.

    Project administrators may also go to their respective Group Administrator Page and select the "Generate Y-DNA Results for copy & paste" option. Null439 results will be indicated by a blue 12 in the DYS439 column.

    The null at DYS439 is caused by a Single Nucleotide Polymorphism (SNP). Folks who have a "null439" most likely belong to a small group within haplogroup R1b and share a common ancestor in the last 3000 years.

    Please check out http://www.geocities.com/null439/index.htm for more information on nulls at DYS439, or contact me at lwlittle(at)yahoo.com if you have a null439 in your results.

    Best Regards, Leo

    Leo W. Little
    Administrator
    Little DNA Project, et al
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