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Results for marker CDYa and CDYb

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  • Results for marker CDYa and CDYb

    Results for the marker CDYa and CDYb - recorded in a possible 4-way match:

    37-40
    36-40
    33-40
    33-40

    How significant are the unusual 4-step and 3-step mutations in CDYa, when the number for CDYb is the same for all 4 results?

    Does the 37 and 36 count as a 4 and 3-step mutation from 33 - or simply as a 1-step? FTDNA seems to reckon it as only 1 - whereas ysearch counts it as 4 and 3.

    Is this amount of mutation usual for this particular marker - and why might it have occurred?
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