Electronic Resource
Springer
Human evolution
10 (1995), S. 17-33
ISSN:
1824-310X
Keywords:
genetic polymorphism
;
allele frequency
;
divergence time
;
population genetics
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Genetic affinity of human populations based on allele frequency data was studied from two viewpoints. (1) The effect of the number of polymorphic loci on the reconstruction of a phylogenetic tree of human populations was empirically investigated. Genetic affinity trees were constructed based on data for 1–12 polymorphic loci, by using the neighbor-joining method. Geographical clustering of populations gradually appeared when the number of loci was increased. A new classification and terminology of higher order human population clusters is proposed based on these and other studies. (2) A new method of estimating the absolute divergence time of two populations is proposed, which is based on a diffusion equation that describes random genetic drift.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02437511
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