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Genetics, Vol 120, 239-253, Copyright © 1988
INVESTIGATIONS |
Genetic Divergence in Mandible Form in Relation to Molecular Divergence in Inbred Mouse Strains
W. R. Atchley, S. Newman and D. E. Cowley
Department of Genetics, North Carolina State University, Raleigh, North Carolina 27695
Genetic divergence in the form of the mandible is examined in ten inbred strains of mice. Several univariate and multivariate genetic distance estimates are given for the morphological data and these estimates are compared to measures of genealogical and molecular divergence. Highly significant divergence occurs among the ten strains in all 11 mandible traits considered individually and simultaneously. Genealogical relationship among strains is highly correlated with genetic divergence in single locus molecular traits. However, the concordance between genealogical relationship and multivariate genetic divergence in morphology is much more complex. Whether there is a significant correlation between morphological divergence and genealogy depends upon the method of analysis and the particular genetic distance statistic being employed.
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