noun 下载 🔗分享 姐妹染色单体,染色单体。 After DNA replication either of the two connected double-helix strands of a metaphase chromosome that separate during mitosis Examples : "During cell division, each chromosome splits, ensuring each new cell receives one chromatid containing a complete copy of the DNA. " 在细胞分裂过程中,每条染色体会分裂,确保每个新细胞都能获得一个染色单体,其中包含一份完整的DNA副本。 biology anatomy biochemistry structure part organism 与AI对话词汇游戏阅读练习