Photomicrograph of Lily ovary showing chromosomes during mitosis
Mitosis occurs exclusively in eukaryotic cells, but occurs in different ways in different species. For example, animals undergo an "open" mitosis, where the nuclear envelope breaks down before the chromosomes separate, while fungi such as Aspergillus nidulans and Saccharomyces cerevisiae (yeast) undergo a "closed" mitosis, where chromosomes divide within an intact cell nucleus. Prokaryotic cells, which lack a nucleus, divide by a process called binary fission.
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Photo credit: © Scenics & Science / Alamy / Afripics
License: Licensed
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Keywords: anaphase, cell, chromosomes, cytokinesis, eukaryotic, interphase, lily, metaphase, microscope, mitosis, ovary, photomicrograph, preprophase, prometaphase, prophase, reproduction, sexual, showing, telophase, xx, xy
