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By D. Ann Herring, Alan C. Swedlund

The human genetic makeup of Latin the United States is a mirrored image of successive waves of colonization and immigration. there were few works facing the biology of human populations at a continental scale, and whereas a lot info is offered at the genetics of Latin American populations, so much details continues to be scattered during the literature. This quantity examines Latin American human populations on the subject of their origins, surroundings, heritage, demography and genetics, drawing on features of food, body structure, and morphology for an built-in and multidisciplinary technique. the result's a desirable account of a humans characterised via a turbulent historical past, marked heterogeneity, and exact genetic characteristics.

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Extra resources for The Evolution and Genetics of Latin American Populations

Sample text

In other words, the climate in the region is one that allows for a constant food supply. As Rosetta (1993) mentions, seasonal food shortages may regulate reproductive function in women, and hence, births. It would be of interest to study populations under similar conditions to determine whether Escaz´u is still unique, or whether comparable communities also show no birth seasonality. However, these results suggest that seasonal patterns of birth distribution are not ubiquitous in human populations, as the literature may suggest (Lam and Miron 1991; Leslie and Fry 1989).

To investigate population structure, the Lasker and Kaplan (1985) RP (repeated pairs) statistic is used to study preferential mating among families in Escaz´u. The random component or RPr as derived by Chakraborty (1985, 1986) and the standard errors of RP and RPr are also computed according to Chakraborty (1985, 1986). Finally, a test of the null hypothesis that RP = RPr as proposed by Relethford (1992) is applied here (Madrigal and Ware 1999). To study inbreeding, Crow and Mange’s (1965) formulae for computing the total inbreeding (Ft), the non-random inbreeding (Fn), and the random inbreeding (Fr) are applied to the frequencies of grooms’ and brides’ last names per decade.

Breschi, M. L. (1986). Effet du climat sur la mortalite infantile. Population 41, 1072–4. , Morales, B. I. (1993). Inbreeding patterns in the Basque country (Alava province), 1831–1980. Human Biology 65, 743–770. Chakraborty, R. (1985). A note on the calculation of random RP and its sampling variance. Human Biology 57, 713–17. Chakraborty, R. (1986). Erratum. Human Biology 58, 991. Chaves-Camacho, J. (1969). Evolucion Demografica de la Poblacion de Costa Rica. Revista de la UCR 27, 37–42. H. (1980).

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