Some further evidence against the Trivers Willard hypothesis in homo sapiens
AbstractThe Trivers Willard hypothesis – that higher maternal quality is associated with a higher sex ratio – is tested using a large population survey from 12 European countries. Several outcomes are studied, the proportion of children born who are male and the sex of the first three children. The principal explanatory variables of interest are mother’s education, marital status and age at birth. Little evidence, if any, of such a relationship is found.
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Bibliographic InfoPaper provided by Geary Institute, University College Dublin in its series Working Papers with number 200822.
Length: 9 pages
Date of creation: 10 Oct 2008
Date of revision:
sex ratio; maternal quality;
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