. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SOME PROBLEMS OF MAXTID MEIOSIS 279 centers become active varies in relation to the stage of chromosome contrac- tion. In a small percentage of the cells the asters form while the* bivalents are still fairly long, and it is then evident that the ends of the chromosomes are specifically involved (Figure 17) just as in Stagmomantis. The Paratenodera material thus affords a series of transitional phases linking bouquet formation with the type of late prophase polarization found in Anisolabis (Schrader, 1941a) in which a specifi
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SOME PROBLEMS OF MAXTID MEIOSIS 279 centers become active varies in relation to the stage of chromosome contrac- tion. In a small percentage of the cells the asters form while the* bivalents are still fairly long, and it is then evident that the ends of the chromosomes are specifically involved (Figure 17) just as in Stagmomantis. The Paratenodera material thus affords a series of transitional phases linking bouquet formation with the type of late prophase polarization found in Anisolabis (Schrader, 1941a) in which a specific activity of chromosome ends is not evident. // and III. Kinetochore movements and bivalent structure Events subsequent to the cessation of pachytene polarization follow the same general course as in Stagmomantis. Like the Virginia type of the latter, the. 20 21. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
