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DOI: 10.1101/2022.03.28.486119

On whole-genome demography of world ethnic groups and individual genomic identity

B.-J.Kim J. Choi S.-H. Kim
摘要
All current categorizations of human population, such as ethnicity, ancestry and race, are based on various selections and combinations of subjectively- and/or qualitatively-defined characteristics, such as ancestral lineage/location, cultural/societal norm, language, skin color and other phenotypes and traits perceived by the members within or from outside of the categorized group. Yet, such categorization has been broadly used also in the fields of human genetics, health sciences and medical practices, where the observed health characteristics are objectively and quantitatively definable, but the population categorization is not yet available. Here we show the feasibility of deriving a whole-genome-based categorization that is objectively definable and quantitatively measurable. We observe that: (a) the world ethnic populations form about 14 genomic groups (GGs); (b) each GG consists of multiple ethnic groups (EGs); and (c) at an individual level, approximately 99.8%, on average, of the whole genome contents are identical between any two individuals regardless of their GGs or EGs.
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