Atlantic Modal Haplotype

Atlantic Modal Haplotype

In human genetics, the Atlantic Modal Haplotype (AMH) is a Y-chromosome haplotype of Y-STR microsatellite variations, associated with the Haplogroup R1b.

The AMH is the most frequently occurring haplotype amongst human males in Atlantic Europe. It is characterised by the following marker alleles:

*DYS388 12
*DYS390 24
*DYS391 11
*DYS392 13
*DYS393 13
*DYS394 14 (also known as DYS19)

The AMH is one of the best-characterized of the modal haplotypes of the R1b haplogroup. This haplotype reaches the highest frequencies in the Iberian Peninsula and in the British Isles. It reaches 33% in Portugal.

One mutation in either direction, would be AMH 1.15+. The AMH 1.15 set of haplotypes is also referred to as the Atlantic Modal Cluster or AMC. Often 1.15+ would be in haplogroup R1b1.

ee also

*Modal haplotype
*Haplotype
*Haplogroup
*Haplogroup R1b
*List of DYS markers

External links

* [http://www.duerinck.com/define.html Some Haplotype Definitions]
* [http://www.worldfamilies.net/Tools/r1b_ydna_in_europe.htm Some Variations of DYS390]
* [http://www.pnas.org/cgi/reprint/98/9/5078.pdf A PNAS article on AMH and variations on the British Isles]
* [http://worldfamilies.net/y-haplogroups.htm Page on Haplogroups]


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