. The elements of genetics. Genetics. 2x = 6. AADDCC Fig. 28.—Mitosis in types of balanced and unbalanced pollen grain produced by a Crcpis capillaris in the proportions shown in Tabic 12 (after Chuksanova, 1939). smallest chromosomes, and for the smallest chromosomes in a set, since these have the fewest changes of partner, the fewest chiasmata, and therefore the most failure of pairing. Loss is also higher in the larger embryo-sac mother-cell than in the smaller pollen mother- cell. The course of events at mciosis in triploids is reflected in the frequencies of the pollen grains having d
. The elements of genetics. Genetics. 2x = 6. AADDCC Fig. 28.—Mitosis in types of balanced and unbalanced pollen grain produced by a Crcpis capillaris in the proportions shown in Tabic 12 (after Chuksanova, 1939). smallest chromosomes, and for the smallest chromosomes in a set, since these have the fewest changes of partner, the fewest chiasmata, and therefore the most failure of pairing. Loss is also higher in the larger embryo-sac mother-cell than in the smaller pollen mother- cell. The course of events at mciosis in triploids is reflected in the frequencies of the pollen grains having different chromosome num- bers (Fig. 28 and Table 12). At mitosis in the pollen grains of Crepis capillaris each of the three chromosomes can be recognized. 124. 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 Darlington, C. D. (Cyril Dean), 1903-; Mather, Kenneth. New York : Macmillan
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