. The cell in development and inheritance. Cells; Cells. Fig. 26. — Heterotypical mitosis in spermatocytes of the salamander. [FLEMMING.] A. Prophase, chromosomes in the form of scattered rings, each of which represents two daughter-chromosomes joined end to end. B. The rings ranged about the equator of the spindle and dividing; the swellings indicate the ends of the chromosomes. C. The same viewed from the spindle-pole. D. Diagram (Hermann) showing the central spindle, asters and centrosomes, and the contractile mantle-fibres attached to the rings (one of the latter dividing). though it is no
. The cell in development and inheritance. Cells; Cells. Fig. 26. — Heterotypical mitosis in spermatocytes of the salamander. [FLEMMING.] A. Prophase, chromosomes in the form of scattered rings, each of which represents two daughter-chromosomes joined end to end. B. The rings ranged about the equator of the spindle and dividing; the swellings indicate the ends of the chromosomes. C. The same viewed from the spindle-pole. D. Diagram (Hermann) showing the central spindle, asters and centrosomes, and the contractile mantle-fibres attached to the rings (one of the latter dividing). though it is not confined to them. In this form the chromosomes split at an early period, but the halves remain united by their ends. Each double chromosome then opens out to form a closed ring (Fig. 26), which by its mode of origin is shown to represent two daughter-chromosomes, each forming half of the ring, united by. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wilson, Edmund B. (Edmund Beecher), 1856-1939. New York : The Macmillan company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcells, bookyear1896
