ERIC GRAVE / SCIENCE PHOTO LIBRARY ERIC GRAVE / SCIENCE PHOTO LIBRARY
Light micrograph showing mitosis (cell division) in a whitefish cell, where two daughter cells with with equal & identical chromosomes are produced by cytoplasmic cleavage of the parent cell. The cell is in anaphase, the stage of mitosis when the two chromatids that comprise each chromosome separate and begin to migrate to opposite poles of the spindle apparatus, the structure that mediates their movement as cell division proceeds. Magnification: x315 at 35mm size. Reference: MICROCOSMOS, figure 6.23c, page 122.
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