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What is the Atlantic Modal Haplotype?

Some haploytpes can be seen more frequently in certain parts of the world. For example, people whose ancestors are from the western coast of Europe often share in common a small group of Y-Chromosome markers. This group of Y-Chromosome markers which are frequently found in western Europe is called the Atlantic Modal Haploytpe (AMH). The AMH is characterized by the following markers:

DYS19 = 14
DYS388 = 12
DYS390 = 24
DYS391 = 11
DYS392 = 13
DYS393 = 13

More information about AMH can be found in Wilson et. Al. Genetic Evidence for Different Male and Female Roles During Cultural Transition in the British Isles. PNAD April 24, 2001 vol. 98, no. 9 pgs. 5078-5083.

The AMH is tied to the R1b haplogroup.

Because many individuals of European descent will have the haplotype shown above at the 6 markers listed, it is important to ensure that many more than these 6 markers are tested in order to make the test powerful enough to distinguish between two different European family lines.

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