The daughter cells at the end of mitosis and cytokinesis are genetically identical to their parent cell when it was in the G1 phase of the cell cycle. This means:
- Each daughter cell has the same number of chromosomes as the parent cell had in G1.
- Each daughter cell contains the same amount of DNA as the parent cell in G1.
- The cytoplasm is divided roughly equally between the two daughter cells during cytokinesis, so each daughter cell has about half the cytoplasm of the original parent cell immediately after division, but they grow during G1.
Since G1 is the phase right after mitosis, the daughter cells are essentially in the same state as the parent cell was in G1, with the same chromosome number and DNA content
. Therefore, the daughter cells have the same number of chromosomes and the
same amount of DNA as the parent cell in G1, and after cytokinesis, each
daughter cell has about half the cytoplasm of the parent but will grow during
G1. In summary:
Daughter cells at the end of mitosis and cytokinesis are genetically
identical to the parent cell in G1, having the same chromosome number and DNA
content.