That's one of the properties of mitosis, that the DNA gets completely duplicated during the S phase, during DNA synthesis phase.
有丝分裂的一个特征,就是DNA在S期内完全复制,S期就是DNA合成期
G2 is a phase that indicates the gap between when DNA synthesis occurs and when the next mitotic event occurs.
2期是在DNA合成期完成后,到分裂期开始前的间期
They get arrested in the G1 phase, for example, and they never progress through to the S phase where they synthesize DNA.
就比如说它们在G1期停滞不前,永远不能到达,合成DNA的S期
应用推荐