Twins and orphans : the inheritance of intelligence / by Alex. H. Wingfield.

Wingfield, Alexander H. (Alexander Hamilton)

Date:: 1928

Catalogue details

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

Credit: Twins and orphans : the inheritance of intelligence / by Alex. H. Wingfield. Source: Wellcome Collection.

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identical inheritances. Those persons known to us as fraternal twins may approach this standard, but their inheritances are never identical. Since the whole problem of intelligence is interwoven with that of heredity and environment, we shall now consider the cellular basis of heredity and the effect of environment upon the inherited bodily structure.