During which phase a cleavage furrow is formed in animal cells

A cleavage furrow is formed during the cytokinesis phase of the cell cycle in animal cells. Cytokinesis is the final stage of cell division, following mitosis or meiosis, where the cytoplasm of the parent cell is divided into two daughter cells. In animal cells, cytokinesis is characterized by the formation of a cleavage furrow, which is a shallow groove around the cell's circumference. The cleavage furrow gradually deepens, eventually pinching the cell into two daughter cells. This process ensures the physical separation of the two newly formed nuclei, resulting in two distinct daughter cells.