There is a biological mechanism for the genetic transmission of behavioral instincts
Extensive neurogenetic and behavioral research demonstrates that innate behaviors and behavioral instincts have a biological and genetic basis mapped to specific neural circuits.
The retrieved literature consistently supports the premise that innate and instinctive behaviors have clear biological, neurogenetic, and hereditary underpinnings, particularly in model organisms and twin studies.
Michael-John Dolan, S. Frechter, A. S. Bates, Chuntao Dan, Paavo Huoviala, Ruairí J. V. Roberts, P. Schlegel, S. Dhawan, Remy Tabano, Heather Dionne, C. Christoforou, Kari C. Close, Ben Sutcliffe, B. Giuliani, Feng Li, Marta Costa, G. Ihrke, G. Meissner, D. Bock, Yoshinori Aso, G. Rubin, G. Jefferis. Neurogenetic dissection of the Drosophila lateral horn reveals major outputs, diverse behavioural functions, and interactions with the mushroom body. 2019. https://doi.org/10.7554/eLife.43079
Paper 0 establishes neurogenetic mapping of the Drosophila lateral horn, linking specific neural circuits to innate behavioral responses.
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Pavel Masek, A. Keene. Gustatory processing and taste memory in Drosophila. 2016. https://doi.org/10.1080/01677063.2016.1185104
Paper 3 demonstrates that innate taste preferences in Drosophila have a clear genetic and neural circuitry basis.
María Paz Fernández, Séverine Trannoy, Sarah J Certel. Fighting Flies: Quantifying and Analyzing Drosophila Aggression.. 2023. https://doi.org/10.1101/pdb.top107985
Paper 5 confirms that complex innate behaviors like aggression are regulated by specific genetic and neurobiological mechanisms.
Smederevac S, Sadiković S, Dinić BM, Milovanović I, Pajić D. The Serbian Twin Advanced Registry (STAR): Integrating Behavioral Genetic, Molecular Genetic, and Epigenetic Research Across the Lifespan.. 2026. https://doi.org/10.1017/thg.2026.10045
Paper 11 uses twin and molecular designs to demonstrate the heritable structure of behavioral traits and their genetic foundation.
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