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B Chromosomes


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Abstract

Modern data on the origin and biological significance of B chromosomes in plants and animals, their structure and evolution, and dynamics and polymorphism are considered. Some examples of various animal and plant species show a possible role of population variability in the number and morphological types of B chromosomes.

About the authors

Yu. M. Borisov

Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences

Author for correspondence.
Email: boris@sevin.ru
Russian Federation, Moscow, 119071

T. A. Myshliavkina

Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences

Email: boris@sevin.ru
Russian Federation, Moscow, 119071

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