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- , - қ , ү ң ғ   Population - group of organisms of one species inhabited in definite region for a long time
́ - -ғ әү ң ()   Panmixy - free breeding of organisms in population
́ - қ қ - ү ң () үң қ   Isolation - exclusion or difficulty of interbreeding between individuals of the same species
- - , () , , , қ (қ) ң ә ң ө, ң ұқ қ өң -қ ү   Gene drift - changes of gene frequency by chance, usually observed in small (isolated) populations
- , , қ ү -ғ ұ ө қ, ң ң ө ғ ұқ қ өң ү Genetic load - part of genetic variability of population, characterized by forming of genotypes with decreased adaptation and death due to action of natural selection  

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