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13.5 x 10.2 cm ⏐ 5.3 x 4.0 in (300dpi)
RICHARD J. GREEN / SCIENCE PHOTO LIBRARY RICHARD J. GREEN / SCIENCE PHOTO LIBRARY
Cell division: interphase and anaphase (onion root tip). Onion root tips are used for viewing the different phases of cell division (mitosis) because the chromosomes are large and and very dark when stained. All phases of mitosis can be observed: interphase, prophase, anaphase, metaphase, and telophase. Magnification x1000, 35mm film.
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