Animal genetics / Frederick B. Hutt.

  • Frederick Hutt
Date:
[1964]
Catalogue details

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

Credit: Animal genetics / Frederick B. Hutt. Source: Wellcome Collection.

    458/578 page 436
    436 ANIMAL GENETICS on the left. It was clearly homozygous for barring (BB) on the right side, but hemizygous (B—) on the left. The right side ex¬ ceeded the left in size by about the normal difference between males and females ( Fig. 19-5). On autopsy, a testis and vas deferens were found on the larger side, an ovary, oviduct, and rudimentary vas on FIG. 19—5. Skeleton, partially disarticulated, of a gynandromorphic fowl, showing larger size on right (male) side than on the left and resultant curvature of every bone in which the two sides are joined together. (From F. B. Hütt in Genetics of the Fowl, McGraw-Hill Book Co., Inc.) the left one. It seemed likely that the bird had originally been a male, but that very early loss of one sex chromosome (and with it one barring gene) had given rise to cells genetically female, and hence to a bilateral gynandromorph. Not all gynandromorphs are caused by accidents during mitosis. In the silkworm, Goldschmidt and Katsuki found a hereditary type
    No text description is available for this image
    No text description is available for this image
    No text description is available for this image