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JAMA 100 Years Ago
January 28, 1998

SCHENK'S THEORY OF SEX DETERMINATION.

Author Affiliations
 

Edited by Brian P. Pace, MA, Assistant Editor.

JAMA. 1998;279(4):268. doi:10.1001/jama.279.4.268

An eminent Vienna embryologist, now somewhat on in years, recently advanced what he considers strong evidence for a theory of sex determination in a communication to a Vienna medical society. This communication has not only been commended by Austrian and British medical journals, but has been widely and sensationally exploited in the lay press. . . .

This theory, which SCHENK claims to have demonstrated by the scientifically auspicious method of experiments on himself and wife without control experiments, is particularly an admixture of three older hypotheses: That paternal superiority determines the superior male sex. That paternal nutrition aids in determining this superiority, and finally that while the mother is of an inferior sex her good nutrition aids in determining the superior male offspring. . . .

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