Definitions
Imperfect probability that fathers are investing resources in offspring that carry their own genetic material, as compared to complete female certainty.
Introduction
Paternity uncertainty hypothesis is a construct in behavioral ecology and evolutionary psychology, used to explain differential investment in offspring between the sexes. The hypothesis states that due to the nature of internal fertilization, a male inseminator cannot be fully assured (consciously or otherwise) of the genetic identity of what are seemingly his offspring. This lack of certainty will further extend to resource and time investment differences between maternal and paternal familial lineages (Buss 2012).
Paternity Uncertainty
Behaviors related to mating and offspring investment should be governed ecologically: an organism will invest energy, time, and resources to promote its own viability and...
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References
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Colclasure, R. (2017). Paternity Uncertainty Hypothesis. In: Shackelford, T., Weekes-Shackelford, V. (eds) Encyclopedia of Evolutionary Psychological Science. Springer, Cham. https://doi.org/10.1007/978-3-319-16999-6_2267-1
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DOI: https://doi.org/10.1007/978-3-319-16999-6_2267-1
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