Please note:
This calculator differs from FTDNA calculations for
YCA II a/b. FTDNA uses the infinite allele model on this marker while
this calculator currently uses the stepwise model. Also, this calculator
does not handle the rare cases of DYS464e/f/g the same as FTDNA. I hope to
update the calculator soon. Please refer to
FTDNA's The GAP Quick Interpretation Guide
for more information
Also, if you cut and paste from the FTDNA generated surname web page you may
need to insert a blank row between the marker titles and the allele values.
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