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A Trivers-Willard Effect in Contemporary Humans: Male-Biased Sex Ratios among Billionaires
BACKGROUND: Natural selection should favour the ability of mothers to adjust the sex ratio of offspring in relation to the offspring's potential reproductive success. In polygynous species, mothers in good condition would be advantaged by giving birth to more sons. While studies on mammals in g...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2614476/ https://www.ncbi.nlm.nih.gov/pubmed/19142225 http://dx.doi.org/10.1371/journal.pone.0004195 |