Prometheus, or, biology and the advancement of man / by H.S. Jennings.

  • Herbert Spencer Jennings
Date:
[1925]
Catalogue details

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

Credit: Prometheus, or, biology and the advancement of man / by H.S. Jennings. Source: Wellcome Collection.

    21/112 page 17
    BIOLOGICAL BACKGROUND of equal importance with Mendel's law. In essence all these laws are simple ; any set of beads or buttons can readily be put through the same simple opera¬ tions, and then they yield the same rules that we call the laws of heredity. The only way to grasp these laws is to arrange a set of objects in the way the genes are arranged and to put them through the simple movements followed by the genes ; attempts to understand them in any other way are futile. The movements of the genes are at least as important to man as the movements of the planets ; in time every school will possess a mechanical model that shows them. The laws of inheritance are not immediate consequences of some funda¬ mental physiological principle, but of the arrangement of the packages of chemicals and their method of distribu- [19]
    digitised image 1
    digitised image 2
    digitised image 3