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Day 7: Jumpin' Genes! Mitosis & Meiosis in Action 
These images caught cells in different stages of mitosis. The cells are colored with a combination of stains. The chromosomes are stained blue. The mictrotubules making up the mitotic spindle are stained green. The cell membrane and certain components of the cytoplasm are stained red. Clicking on any of the figures will download a larger (64K), higher resolution, annotated montage of all these images. 
Figure 1 Early Prophase - The chromosomes are coiling and condensing. The nuclear membrane has dissolved.
Figure 2 Late Prophase - The chromosomes are organizing between the two centrioles.
Figure 3 Early Metaphase - The chromosomes are being lined up along the metaphase plate by mitotic spindle fibers.
Figure 4 Late Metaphase - The metaphase plate can be clearly seen.
Figure 5 Early Anaphase - The chromosomes are traveling toward either centriole along the mitotic spindle fibers to which they are attached.
Figure 6 Late Anaphase - The centrioles begin to move apart and thus pull the mitotic spindles fibers and their attached chromosomes with them. Text by Janet Sinn-Hanlon
Images by Steve Rogers
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