The mechanism and physiology of sex determination / by Richard Goldschmidt ; translated by William J. Dakin.

  • Goldschmidt, Richard, 1878-1958.
Date:
1923
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: The mechanism and physiology of sex determination / by Richard Goldschmidt ; translated by William J. Dakin. Source: Wellcome Collection.

    22/292 (page 6)
    PHYSIOLOGY OF SEX DETERMINATION С d Fig, 3.—The Keimbahn of the Gall Fly Miastor. a, the egg with nurse cells nc, the nucleus gv, and the pole plasm pPl; b, the first segmentation stage with three division figures I, III, and IV ; pb polar body, cMp the chromatin to be eliminated; c, later segmentation stage ; cR chromatin remains, с cytoplasm, pgc one of the germ cells ; d, stage after formation of blastoderm c, oög oogenia, R chromatin remains.