Russian Journal of Biological Physics and Chemisrty Russian Journal of Biological Physics and Chemisrty АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ 2499-9962 54445 Моделирование в биофизике Modelling in biophycis Моделирование в биофизике RATIO OF SELF-ORGANIZATION AND RANDOM PROCESSES IN THE PERCOLATION GRID OF NATURAL SELECTION СООТНОШЕНИЕ САМООРГАНИЗАЦИИ И СЛУЧАЙНЫХ ПРОЦЕССОВ В ПЕРКОЛЯЦИОННОЙ РЕШЕТКЕ ЕСТЕСТВЕННОГО ОТБОРА Гараева А Я Garaeva A Y Сидорова А Э Sidorova A E sky314bone@mail.ru Твердислов В А Tverdislov V A Московский государственный университет им. М.В. Ломоносова ru Lomonosov Moscow State University ru Московский государственный университет им. М.В. Ломоносова ru Lomonosov Moscow State University ru Московский государственный университет им. М.В. Ломоносова ru Lomonosov Moscow State University ru 25 09 2019 25 09 2019 4 3 364 368 20 09 2019 20 09 2019 https://rusjbpc.ru/en/nauka/article/54445/view

Рассмотрены условия самоорганизации и роль дрейфа в процессе протекания мутаций через перколяционную решетку отбора и их закрепления. С точки зрения флуктуационно-бифуркационного процесса в трехмерной иерархической структуре видообразования определены новые понятия нижнего и верхнего порога мутационного процесса. Рассмотрены верхний и нижний пороги перколяционной решетки отбора как механизмы флуктуационно-бифуркационного развития биологической эволюции на популяционном уровне и видообразования. Показано, что, если нижний порог перколяционной решетки отбора не приводит к качественным изменениям структуры популяции, то верхний порог - это точка бифуркации эволюционного развития популяции, при преодолении которой в популяции возникают необратимые процессы, вызванные накоплением мутаций.

The conditions of self-organization and the role of drift in the course of mutations through the percolation selection grid and their fixation are considered. From the point of view of the fluctuation-bifurcation process, new concepts of the lower and upper threshold of the mutation process are defined in the three-dimensional hierarchical structure of speciation. The upper and lower thresholds of the percolation selection grid as mechanisms of the fluctuation-bifurcation development of biological evolution at the population level and species formation are considered. It is shown that if the lower threshold of the percolation selection grid does not lead to qualitative changes in the population structure, the upper threshold is the point of bifurcation of the evolutionary development of the population, which is overcome by irreversible processes in the population caused by the accumulation of mutations.

 естественный отбор самоорганизация флуктуации бифуркации перколяционные пороги мутации дрейф natural selection self-organization fluctuations bifurcations percolation thresholds mutations drift

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