JOSEPH F. GENNARO JR. / SCIENCE PHOTO LIBRARY JOSEPH F. GENNARO JR. / SCIENCE PHOTO LIBRARY
Light micrograph of roundworm (ascaris) cells in anaphase stage of mitosis. Mitosis is the cell division of a nucleus, typically consisting of four stages: prophase, metaphase, anaphase, and telophase. During anaphase, chromosomes move to opposite poles of the cell. Magnification 160x at 35mm.
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