染色体是基因的载体，是生物进化发育、遗传变异的物质基础。

The chromosome is the gene delivery and the material base of evolution, development, heredity and variation.

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染色体是基因的载体，是生物进化发育、遗传变异的物质基础。

The chromosome is the gene delivery and the material base of evolution, development, heredity and variation.

youdao