| 释义 |
染色体rǎnsètǐ存在于细胞核中能被碱性染料染色的丝状或棒状体,细胞分裂时可以观察到,由核酸和蛋白质组成,是遗传的主要物质基础。各种生物的染色体有一定的大小、形态和数目。{chromosome; thread- or stick-like linear strand of nucleic acid and proteins in the nucleus of animal and plant cells that can be observed during a cell division, constitutes the major material basis for genetic heredity, and varies in size, form and number in different animals and plants} |