Rare Deep-Rooting Y Chromosome Lineages in Humans: Lessons for Phylogeography

There has been considerable debate on the geographic origin of the human Y chromosome Alu polymorphism (YAP). Here we report a new, very rare deep-rooting haplogroup within the YAP clade, together with data on other deep-rooting YAP clades. The new haplogroup, found so far in only five Nigerians, is...

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Bibliographic Details
Published in:Genetics (Austin) 2003-09, Vol.165 (1), p.229-234
Main Authors: Weale, Michael E, Shah, Tina, Jones, Abigail L, Greenhalgh, John, Wilson, James F, Nymadawa, Pagbajabyn, Zeitlin, David, Connell, Bruce A, Bradman, Neil, Thomas, Mark G
Format: Article
Language:English
Subjects:
Biological Evolution
Chromosomes
Chromosomes, Human, Y - genetics
Genealogy
Genetics
Hominids
Humans
Male
Paleontology
Phylogeny
Polymorphism
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Summary:There has been considerable debate on the geographic origin of the human Y chromosome Alu polymorphism (YAP). Here we report a new, very rare deep-rooting haplogroup within the YAP clade, together with data on other deep-rooting YAP clades. The new haplogroup, found so far in only five Nigerians, is the least-derived YAP haplogroup according to currently known binary markers. However, because the interior branching order of the Y chromosome genealogical tree remains unknown, it is impossible to impute the origin of the YAP clade with certainty. We discuss the problems presented by rare deep-rooting lineages for Y chromosome phylogeography.
ISSN:0016-6731
1943-2631
1943-2631
DOI:10.1093/genetics/165.1.229