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Language Boundaries and Biological Differentiation on Bougainville: Multivariate Analysis of Variance
John G. Rhoads and Jonathan S. Friedlaender
Proceedings of the National Academy of Sciences of the United States of America
Vol. 72, No. 6 (Jun., 1975), pp. 2247-2250
Published by: National Academy of Sciences
Stable URL: http://www.jstor.org/stable/64686
Page Count: 4
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Blood genetic and anthropometric data on Melanesians from Bougainville, Papua New Guinea, are analyzed by random-effects analysis of variance to partition the observed variation into components for the individual, village, and language group level. Both clinal and unpatterned group differences exist. The differences between language groups appear to be substantial, even when the results are corrected for clinal effects. The amounts of variation at each level correspond roughly to a similar analysis of heterozygosity in blood polymorphisms. Observed current migration figures suggest that language and village constitute a 2-fold hierarchical subdivision of the breeding system, and this analysis shows probable random drift effects between groups at both the village and language level. Both language and genetic constitution of these villages are the result of differentiation in place.
Proceedings of the National Academy of Sciences of the United States of America © 1975 National Academy of Sciences