Human biological variation does not support subspecies or racial taxonomies
Extensive genetic, anthropological, and genomic evidence demonstrates that human biological variation is continuous and clinal rather than divided into discrete subspecies or racial categories.
The retrieved papers consistently support the claim that human biological variation does not support racial taxonomies, pointing instead to continuous, gradient-based genetic and morphological diversity. Papers [0], [1], [3], [4], [8], and [10] all explicitly reject the biological validity of human races or discrete typologies in favor of clinal and continuous models of human variation. No papers in the list provide counter-evidence establishing race as a valid biological subspecies taxonomy.
T. Duello, Shawna Rivedal, Colton Wickland, A. Weller. Race and genetics versus 'race' in genetics: A systematic review of the use of African ancestry in genetic studies.. 2021. https://doi.org/10.1093/EMPH/EOAB018
Confirms that humans are 99.9% identical at the DNA level and that socially constructed racial categories do not align with continuous biological genetic variation.
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Koffi N. Maglo, Tesfaye B. Mersha, Lisa J. Martin. Population Genomics and the Statistical Values of Race: An Interdisciplinary Perspective on the Biological Classification of Human Populations and Implications for Clinical Genetic Epidemiological Research. 2016. https://doi.org/10.3389/fgene.2016.00022
Demonstrates that from a biological systematic and evolutionary perspective, human races and continental clusters have no objective biological reality or natural meaning.
A. V. Arsdale. Population Demography, Ancestry, and the Biological Concept of Race. 2019. https://doi.org/10.1146/ANNUREV-ANTHRO-102218-011154
Explains that biological variation does not map onto racial categories because evolutionary forces actively worked against such discrete structures.
Mateus H. Gouveia, Karlijn A. C. Meeks, Víctor Borda, Thiago Peixoto Leal, F. Kehdy, Reagan Mogire, A. Doumatey, E. Tarazona-Santos, Rick Kittles, Ignacio F. Mata, Timothy D. O’Connor, A. Adeyemo, D. Shriner, C. Rotimi. Subcontinental genetic variation in the All of Us Research Program: Implications for biomedical research.. 2025. https://doi.org/10.1016/j.ajhg.2025.04.012
Shows that individuals within self-identified racial groups exhibit continuous gradients of genetic variation rather than discrete biological clusters.
Hussein Mohsen, K. Blenman, Prashant S. Emani, Q. Morris, Jian Carrot-Zhang, L. Pusztai. Dynamic clustering of genomics cohorts beyond race, ethnicity—and ancestry. 2024. https://doi.org/10.1186/s12920-025-02154-z
Demonstrates through genomic clustering that human variation transcends predefined continental or racial categories.
C. Grigorescu, Ș. Grigorescu, N. Forna, Eusebiu Jean Tihan. MODERN CRANIOMETRY: HOW 3D SCIENCE HAS ABOLISHED RACIAL TYPOLOGIES. 2025. https://doi.org/10.62610/rjor.2025.4.17.16
Shows how modern craniometry and 3D geometric morphometrics reveal continuous morphological variation, abolishing traditional racial typologies.
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