The process of cell division, or mitosis ... 100 years ago from analyses of fixed material from higher plants and animals. However, this terminology often leads to ambiguity, especially when ...

Interphase The cell spends most of its life in this phase. The DNA in chromosomes copies itself ready for mitosis. Prophase The DNA in chromosomes and their copies condenses to become more visible.

In motile animal cells, such as fibroblasts or macrophages ... The two centriole pairs split at the onset of mitosis (M phase), in early prophase, thus forming two centrosomes; the two resulting ...