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Madden
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About
DNA Results
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Dex Madden
Leonard Madden
About us
Overview
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Results
DNA 101: Y-Chromosome Testing
Y-DNA Haplogroup Descriptions
Atlantic Modal Haplotype
YHRD - Y Chromosome Haplotype Reference Database
A Y-Chromosome Signature of Hegemony in Gaelic Ireland
Y-chromosome variation and Irish origins
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