Principal axis analysis of gene frequency data

Majumder, Partha P. (1988) Principal axis analysis of gene frequency data American Journal of Physical Anthropology, 76 (3). pp. 313-320. ISSN 0002-9483

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When a set of populations are compared in respect of gene frequencies, and the chi-square test of heterogeneity is found to be significant, it is pertinent to find out whether the heterogeneity can be explained by a few linear combinations of the gene frequencies, and the total heterogeneity chi-square value can be partitioned as the sum of heterogeneity chi-square values contributed by the linear combinations. The present report describes such a method, and the linear combination that explains the maximum heterogeneity is called the principal axis. An application of this method is presented to find clusters of 31 Mongoloid tribal populations of eastern India using ABO gene frequency data.

Item Type:Article
Source:Copyright of this article belongs to American Association of Physical Anthropologists.
Keywords:Genetic Map; Principal Axis; Mongoloid Population; India
ID Code:21373
Deposited On:20 Nov 2010 13:01
Last Modified:06 Jun 2011 09:26

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