Results 81 to 90 of about 181 (117)
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Isonymy and the genetic structure of Sicily
Journal of Biosocial Science, 1994SummaryThe genetic structure of Sicily was analysed through the distribution of surnames of 758,793 users registered in the Italian Telephone Company, corresponding to 371 communes of the island. Estimates of the coefficient of consanguinity due to random isonymy, of Fisher'sa, an indicator of abundance of surnames, and of Karlin–McGregor'sv, an ...
RODRIGUEZLARRALDE A +5 more
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Correlations Between Isonymy Parameters
International Journal of Anthropology, 1997Several parameters of genetic and anthropological interest are commonly estimated in the analysis of the surnames' distribution in human populations. Among these parameters, the most important for population structure is unbiased Isonymy, equivalent to 4 times the value of Fst, the random component of inbreeding in a group.
Chiara Scapoli, A Rodríguez-Larralde
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Isonymy in Haemoglobinopathies in a Sicilian Sample
Human Heredity, 1993---
SCHILIRO G +4 more
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A Study of the Population of Paraguay Through Isonymy
Annals of Human Genetics, 2011In order to describe the isonymic structure of Paraguay, the distribution of 4,843,868 surnames of 2,882,163 persons was studied in the 18 departments and 237 districts of the nation. The correlations between isonymic and geographic distances for departments were r = 0.713 ± 0.052 for Euclidean distance, 0.597 ± 0.074 for Nei's and 0.582 ± 0.076 for ...
Chiara Scapoli +2 more
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The Names of Spain: A Study of the Isonymy Structure of Spain
American Journal of Physical Anthropology, 2003AbstractIn order to estimate the isonymy structure of Spain, we studied surname distribution in 283 Spanish towns based on 3.625 million telephone users selected from 6.328 million users, downloaded from a commercial CD‐ROM which contains all 13 million users in the country.
Chiara Scapoli, A Rodríguez-Larralde
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Surnames in the Azores: Analysis of the Isonymy Structure
Human Biology, 2005Geographic isolation is a significant factor to consider when characterizing human populations. The knowledge of the genetic structure of isolated populations has been of great importance to disease-locus positioning and gene identification. To investigate the genetic structure of the Azorean population, we conducted a survey based on the frequencies ...
Claudia C, Branco, Luisa, Mota-Vieira
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Surname frequency and the isonymy structure of Venezuela
American Journal of Human Biology, 2000Isonymy in Venezuela was studied analyzing the surnames of 3.9 million adults 40 years and older, selected from the register of electors updated in 1991. The electors were not differentiated by sex and represented all 22 states of Venezuela and its Federal District.
Alvaro, Rodríguez-Larralde +2 more
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Surnames in Argentina: A Population Study Through Isonymy
American Journal of Physical Anthropology, 2005AbstractIn order to study the isonymic structure of Argentina, the surname distributions of 22.6 million electors registered for the year 2001 were analyzed in the 24 districts (distritos) and 541 municipalities (municipios) of the country. The number of different surnames found was 414,441.
José E. Dipierri +2 more
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Surnames in Texas: A Population Study Through Isonymy
Human Biology, 2007To study the isonymy structure of Texas, we analyzed the surname distributions of 3.6 million telephone users registered for the year 1996 in 232 towns distributed in the 7 regions of the state. The number of different surnames was 235,740. Matrices of isonymy distances between towns and between geographic regions were constructed and tested for ...
Rodriguez Larralde A +3 more
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Genetic Structure of Utah Mormons: Isonymy Analysis
American Journal of Physical Anthropology, 1987AbstractIsonymy analysis is reported for a sample of 188,895 marriages extracted from the Utah Genealogical Database. Inbreeding rates estimated by isonymy are low, ranging from 0.005 for the earliest marriage cohort (1800–1809) to 0.0008 in the most recent cohort (1950–1959).
L B Jorde
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