. The Journal of experimental zoology. 34 f 37 38. 42 43 224 ^- ^- Steven Description of Figures rig. 44 Second spermatocyte; condition of the nucleus when tlie sister cells separate. Ac-c. Fig. 45 Second spermatocyte; sister cells in later stage; a optical section through center of nucleus,b surface section of nucleus, chromosomes distributed over the nuclear membrane. Ac-c. Fig. 46 Prophase of second maturation mitosis showing chromosomes already divided longitudinallyAc-c. Fig. 47 Metaphase of second division,—chromosomes always tangled. Ac-c. Figs. 48 and 49. Anaphases, Fig. 49 much flatte


. The Journal of experimental zoology. 34 f 37 38. 42 43 224 ^- ^- Steven Description of Figures rig. 44 Second spermatocyte; condition of the nucleus when tlie sister cells separate. Ac-c. Fig. 45 Second spermatocyte; sister cells in later stage; a optical section through center of nucleus,b surface section of nucleus, chromosomes distributed over the nuclear membrane. Ac-c. Fig. 46 Prophase of second maturation mitosis showing chromosomes already divided longitudinallyAc-c. Fig. 47 Metaphase of second division,—chromosomes always tangled. Ac-c. Figs. 48 and 49. Anaphases, Fig. 49 much flattened. Ac-c. Fig. 50 Telophase. Fig. 51 The smaller pair of chromosomes in prophase, a - d from sections of first spermatocytes,e from a spermatogonium. Fig. 52 The smaller pair of chromosomes in metaphase and metakinesis of the first maturation mito-sis, from sections. Chromosomes in Germ-Cells of Culex 225


Size: 1182px × 2114px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1910