. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. .. FIG. 4. Longitudinal sections of Drosophila eggs of different ages: (A) be- fore nuclei begin to migrate to periphery, hours old after fertilization (B) blastular stage, hours after fertilization; and (C) gastrular stage, 2-3 hours after fertilization. beta and gamma rays which might be present would have a greater range than 4 cm. of air and would not be stopped by a sheet of paper, the ob- served effects may safely be attributed to alpha particles. EARLY EMBRYOLOGY IN DROSOPHILA Development as it ]>erta
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. .. FIG. 4. Longitudinal sections of Drosophila eggs of different ages: (A) be- fore nuclei begin to migrate to periphery, hours old after fertilization (B) blastular stage, hours after fertilization; and (C) gastrular stage, 2-3 hours after fertilization. beta and gamma rays which might be present would have a greater range than 4 cm. of air and would not be stopped by a sheet of paper, the ob- served effects may safely be attributed to alpha particles. EARLY EMBRYOLOGY IN DROSOPHILA Development as it ]>ertains to the present discussion may be de- scribed briefly. The egg and sperm nuclei unite near the center of the egg and the early cleavages, nuclear only, take place synchronously in. 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
Size: 2856px × 875px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
