hereditary substance

• 遗传物质

hereditary substance的用法和样例：

例句

1. It passes on the hereditary material to each daughter cell.
   它将遗传物质传至每个子细胞。
2. Hereditary diseases refer to the diseases caused by the change of germ cells or hereditary substance in fertilized ova.
   摘要遗传病是指生殖细胞或受精卵内的遗传物质产生改变而引起疾病。