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биология егэ

методы биологических исследований

TermDefinition
генеалогический метод, применяемый при составлении родословных людей, выявление характера наследования некоторых признаков.
исторический метод, основанный на установлении взаимосвязей между фактами, процессами, явлениями, происходящими на протяжении исторически длительного времени (нескольких млрд лет).
палеонтологический метод, позволяющий выяснить родство между древними организмами, останки коих находятся в земной коре, в разных геологических слоях.
центрифугирование разделение смесей на составные части под действием центробежной силы. применяется при разделении органоидов клетки, легких и тяжелых фракций органических веществ.
цитологический\ цитогенетический метод, основанный на исследовании строения клетки и её структур с помощью различных микроскопов.
биохимический метод, основанный на исследовании химических процессов, происходящих в организме.
близнецовый метод, используемый для выяснения степени наследственной обусловленности исследуемых признаков.
гибридологический метод, изучающий скрещивание организмов и анализ потомства.
Created by: trisie
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