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.

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    PROMETHEUS environment under which the organism develops. If hereditary means dependent for development on peculiar¬ ities of the germinal constitution (the sense in which it is employed) both sets are hereditary. If environmental means dependent for development upon peculiarities of the environment, both sets are environmental. Any charac¬ teristic requires for its production both an adequate stock of chemicals and an environment adequate for its production through proper interaction of these chemicals with one another and with other things. In these senses all characteristics are hereditary and all are environmental, but no characteristic is exclusively hereditary or exclusively environmental. Beyond all other organisms, man is distinguished by the possession of many [56]