What do evolutionary processes in populations lead to?

The collection of gene pools of different populations forms the gene pool of the species. The gene pool of any population is unique, as it reflects morphophysiological characteristics, ensures the fitness of individuals to environmental conditions specific to a given area. Over time, the gene pool of populations changes. Mutation process and migrations of individuals lead to the emergence of carriers of new traits in populations. Such carriers participate in the struggle for existence. Natural selection “rejects” individuals with “unsuccessful” characters (therefore, genotypes), and thereby favors the reproduction of individuals with “successful” characters (therefore, successful genotypes). So, as generations of the gene pool change, the population changes under the influence of natural selection. Therefore, the ratio of different gene pools in a population, that is, its genotypic structure, is changing. This process is an elementary evolutionary event and, under certain conditions, can lead to the formation of new species.

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