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The Selective Significance of the Sex Ratio

R. F. Shaw and J. D. Mohler
The American Naturalist
Vol. 87, No. 837 (Nov. - Dec., 1953), pp. 337-342
Stable URL: http://www.jstor.org/stable/2458523
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Selective Significance of the Sex Ratio
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Abstract

The population genetics of autosomal genes affecting the primary sex ratio is discussed. It is shown that a gene may be expected to increase in frequency if its increase will shift the sex ratio of the population nearer to 1 : 1. It is suggested that it should be possible to alter the primary sex ratio by selection.

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