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Atlantic modal haplotype (AMH) |
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The Atlantic Modal Haplotype, as the name may suggest is a
haplotype very common on the western coast of Europe.
The paper by Wilson, W. et al. – ‘Genetic
evidence for different male and female roles during cultural
transitions in the British Isles’ - which can
be viewed at http://www.pnas.org/cgi/content/full/98/9/5078
first described the Atlantic Modal Haplotype (AMH).
It was defined as:
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 Atlantic
Modal Haplotype (AMH)
DYS19 |
DYS388 |
DYS390 |
DYS391 |
DYS392 |
DYS393 |
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14 |
12 |
24 |
11 |
13 |
13 |
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This haplotype is possibly the ancestral haplotype for Haplogroup
R1b, as it has modal values for each of the alleles and is well
connected to all of the other haplotypes in the haplogroup.
A more recent paper – ‘Grouping of Y-STR
haplotypes discloses European geographic clines’,
Gusmao, L. et al. Forensic Science International 134 (2003)
172-179 uses data held at the YSTR forensic database. This
particular database doesn’t have values for DYS388,
but does contain values for the more informative DYS389i and
DYS389ii markers.
The paper reports that the similar haplotype (given below)
and all it’s one step neighbours accounts for ~18% of
the European population, and nearly 33% in Portugal!
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DYS19 |
DYS389i
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DYS389ii |
DYS390 |
DYS391 |
DYS392 |
DYS393 |
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14 |
13 |
29 |
24 |
11 |
13 |
13 |
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There is a gradient of increasing frequency of the above haplotype
from east Europe across to west Europe and follows closely the
distribution pattern of Haplogroup R1b.
If you are European, the prevalence of the haplotypes above
should show the importance of not taking a test with too few
markers (i.e. the ‘low-resolution tests’).
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North American office: P.O. Box 1028, Richmond, TX 77406-1028 USA tel/fax: Toll free 866-7-DNA-DNA |
European office: 40 Preston Road, Weymouth, Dorset,
DT3 6PZ, UK tel:+44 (0) 1305 834936 fax:+44 (0)
1305 835925 |
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