Journal
MOLECULAR PHYLOGENETICS AND EVOLUTION
Volume 28, Issue 3, Pages 387-395Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S1055-7903(03)00016-2
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We explored the spatial distribution of human Y chromosomal diversity on a microgeographic scale, by typing 30 population samples from closely spaced locations in Italy and Greece for 9 haplogroups and their internal microsatellite variation. We confirm a significant difference in the composition of the Y chromosomal gene pools of the two countries. However, within each country, heterogeneity is not organized along the lines of clinal variation deduced from studies on larger spatial scales. Microsatellite data indicate that local increases of haplogroup frequencies can be often explained by a limited number of founders. We conclude that local founder or drift effects are the main determinants in shaping the microgeographic Y chromosomal diversity. (C) 2003 Elsevier Science (USA). All rights reserved.
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