Human chromosomal polymorphism. II. Chromsomal C polymorphism in Mongoloid populations of central Asia |
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Authors: | A. I. Ibraimov M. M. Mirrakhimov S. A. Nazarenko E. I. Axenrod |
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Affiliation: | (1) Human Genetics Laboratory, Kirghiz Institute of Cardiology, Togolok Moldo St. 3, 720040 Frunze, USSR |
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Abstract: | Summary C polymorphism of chromosomes 1, 9 and 16 was studied in 447 Mongoloids of Central Asia living under different ecological conditions: two highland (Kirghiz) and three steppe (Kazakh, Mongolian, and Dungan) populations. C band sizes were estimated according to the semiquantitative 5-level method of Patil and Lubs (1977). All the ethnic groups studied showed statistically significant homogeneity in the frequency of C variants. It is suggested that chromosomal C-heterochromatin material has no selective value in the process of human adaptation to extreme high-altitude factors. |
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