According to the obstetric history of Yevpatoria residents of postreproductive age, the parameters of the differential fertility as components of the natural selection (index Crow) in Slavic (Russian and Ukrainian) and non-Slavic individuals have been calculated. It is shown that, in the studied population, in one generation, the index of total selection decreased from 0.3 to 0.32 by reducing the value I m. For Slavic females, the average number of pregnancies is 5.26, while the number of offspring is 1.75, and the index of total selection equals 0.31. For non-Slavic women, these ratings were 4.84, 2.09, and 0.46. In non-Slavic women, natural reproductive losses occur more frequently than in Slavic women, which may be associated with inbreeding, the level of which is usually higher in members of the Muslim faith. The average number of adverse pregnancy outcomes in the non-Slavic families is 0.759, while for Slavic families, it is 0.503. Reproductive problems were observed in 36.4% of Slavic families and 44.8% of non-Slavic families. The index of total selection in non-Slavs (0.46) is 1.5 times higher than in Slavs (0.31). The difference is due to the selection component, coupled with differential fertility (0.36 and 0.23, respectively). Interethnic differences in the rate of natural increase can change the ethnic and denominational composition of the city, leading to an increase in the Muslim component.
Russian Journal of Genetics – Springer Journals
Published: Dec 10, 2013
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