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Vigobblli Vigobblli, Chierichetti Chierichetti, Maltarello Maltarello, Morganti Morganti, Barbaxni Barbaxni (1953)
Distribuzione dei gruppi sanguigni nella popolazione di Busto Arsizio e dintorniBiv. 1st. sieroter. ital., 28
Roberts Df (1956)
A demographic study of a Dinka village.Human Biology, 28
J. Spuhler, C. Kluckhohn (1989)
Inbreeding coefficients of the Ramah Navaho population.Human biology, 25 4
(1953)
Distribuzione dei REFERENCES Nagaaaki
W. Schull (1953)
THE EFFECT OF CHRISTIANITY ON CONSANGUINITY IN NAGASAKIAmerican Anthropologist, 55
Summary Endogamy and inbreeding are characteristics of the Susak population. In the present reproductive generation there is no full first‐cousin mating. Total consanguinity is 8.6 % and this is half as high as is required by random mating. The marriages of more remote relatives (beyond F2C) are as frequent as over 16 % of all matings in generation III. This frequency is similar to that required by random mating. Only for the youngest generation inbreeding coefficients were included for the determination of the mean coefficient. Their range is 0.0312–0.0020. The mean inbreeding coefficient for inbred individuals is 0.0141, and the mean for the whole generation I is 0.0026. For inbreeding coefficients consanguineous marriages of the previous generations are not taken into account. Among related sibships sterility appears to be raised, its frequency being over 13 %. The second‐cousin matings contribute the most to the mean inbreeding coefficient. The frequency of red‐haired persons is high. Our rough estimate gave 14 % of carriers with visible components for red‐haimess. There is no obvious connexion between inbreeding and red‐hairness. Among red‐haired individuals there are no carriers of the gene B. There is a higher ratio of O to A blood groups. The proportions of blood groups show very few B, many O, and even more A. This special ABO distribution could be the result of genetic drift. The distribution between the generations, as well as between the sexes, is not significantly different. The gene inflow in generation II is 4.36 %. Concerning O × A matings and their offspring we could not find any influence of natural selection. On the other hand, among A infants from A mothers there was a different proportion of sexes from that among O children from O mothers.
Annals of Human Genetics – Wiley
Published: Sep 1, 1959
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