. The cell in development and inheritance. Cells. R S T Fig. 135. — Diagrams illustrating different accounts of reduction in the flowering plants. A-D. Vegetative mitoses (heterotypical form) in Picea. [BelaJEFF.] E-I. Illustrate Strasburger's earlier account ('95) and the later one of Guignard, of the first maturation-division. E. Doubly split rod. F. Metaphase, in profile. G. The same en face, showing the heterotype ring. H. 1. Opening out and breaking apart of the ring. J-M. Later account of Strasburger and Mottier {cf. Figs. 133, 134). J. Longitudinally split. V-shaped chromosome of first
. The cell in development and inheritance. Cells. R S T Fig. 135. — Diagrams illustrating different accounts of reduction in the flowering plants. A-D. Vegetative mitoses (heterotypical form) in Picea. [BelaJEFF.] E-I. Illustrate Strasburger's earlier account ('95) and the later one of Guignard, of the first maturation-division. E. Doubly split rod. F. Metaphase, in profile. G. The same en face, showing the heterotype ring. H. 1. Opening out and breaking apart of the ring. J-M. Later account of Strasburger and Mottier {cf. Figs. 133, 134). J. Longitudinally split. V-shaped chromosome of first division. K. Opening out of the ring. L. Prophase of second division, showing longitudinally split segmented spireme. M. Initial anaphase of second division. A''-^'. First division. [Belajeff.] X. Longitudinally split chromosomes, viewed in the equa- torial plane. O. The same viewed in the axis of the spindle. P. Separation of the daughter- chromosomes. Q. Anaphase, all the chromosomes assuming the V-form. R- T. Second division in Iris. [BELAJEFF.] R. Equatorial plate, limbs of X's and V's break- ing apart (reducing division), 5. Slightly later stage, with daughter-chromosomes still united at one end. T. Anaphase. 270. 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, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1911
