Inheritance of Material Wealth in Collared Flycatchers
Author Information
Author(s): Ålund Murielle, McFarlane S. Eryn, Husby Arild, Knape Jonas, Pärt Tomas, Sirkiä Päivi, Weissing Franz J., Wheatcroft David, Zhu Yishu, Qvarnström Anna
Primary Institution: Uppsala University
Hypothesis
Is material wealth heritable in collared flycatchers, and what mechanisms underlie its inheritance?
Conclusion
The inheritance of material wealth in collared flycatchers is largely explained by philopatry rather than heritable phenotypic traits.
Supporting Evidence
- The study found a high genomic heritability of material wealth (h² = 0.405 ± 0.08).
- Cross-fostering experiments indicated a significant effect of foster parents' material wealth on recruits.
- Long-term monitoring data revealed that philopatry influences the inheritance of material wealth.
Takeaway
This study found that collared flycatchers inherit their access to food resources mainly because they return to their parents' territory, not because they have inherited traits that help them find food.
Methodology
The study used genomic and phenotypic approaches, including genome-wide association studies and cross-fostering experiments.
Potential Biases
Potential biases may arise from the need to match nests in cross-fostering experiments.
Limitations
The study's design may not fully account for genetic influences due to the correlation between genetic and foster parents' material wealth.
Participant Demographics
The study focused on collared flycatchers (Ficedula albicollis) in Öland, Sweden.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI: 0.16–0.29
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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