International Journal on Science and Technology

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Call for Paper Volume 17 Issue 3 July-September 2026 Submit your research before last 3 days of September to publish your research paper in the issue of July-September.
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Volume 17 Issue 3
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The Complex Whole of Humankind: A Biocultural Paradigm of Human Evolution

Author(s) Prof. R Khongsdier
Country India
Abstract For over a century, the social and biological sciences have struggled with reductionist frameworks that divide the human condition into competing columns of nature versus nurture. This paper introduces a unified theoretical framework formalised by the conceptual equation A + B = 1, where A represents human biological inheritance and B represents dynamic cultural systems. By assigning a baseline value of 0.5 to both variables, this model establishes a rigorous guardrail against both biological determinism and radical cultural blank-slate models. This paper demonstrates that while the overarching importance of both systems remained balanced, their operational weights fluctuate dynamically depending on the trait analyzed—ranging from high biology physiological reflexes to high-culture social structures. Utilising classic anthropological case studies – including West African sickle-cell allele selection via yam cultivation and adult lactase persistence driven by pastoralism—we illustrate how cultural practices act as selective pressures that alter genetic frequencies. This paper also evaluates how modern biotechnologies, such as CRISPR gene editing and neural interfaces, allow culture to directly rewrite biological code, altering the temporal sync of human evolution. Finally, this framework provides a vital heuristic device for the natural and social sciences, including anthropology, provided that the human evolutionary trajectory is essentially a biocultural synthesis that cannot be solved without accounting for both halves of the equation.
Keywords Biocultural anthropology, biological-cultural determinism, evolutionary biology, cultural matrix, behavior, symbolic meaning, DNA, cultural-genetics, genome editing, CRISPR, BCIs
Published In Volume 17, Issue 3, July-September 2026
Published On 2026-08-28
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Crossref DOI prefix of IJSAT is 10.71097/IJSAT

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