【摘要】 B染色体是独立存在于物种染色体组以外的一种特殊染色体,广泛分布于生物界。本文从B染色体的特征、作用和生物学效应、B染色体的遗传及其起源等方面概述了B染色体研究的最新进展。更多还原

【Abstract】 B-chromosome is a sort of special one which exists out of the species genome independently. It broadly distributes in organisms. This paper summarized the new progress in research on B-chromosome in the aspect of characters, functions, Biology effects, transmission and origin.更多还原