Distribution characteristics of ABO blood groups in China.

Heliyon · 2022 · PMC9479019 · PMID 36119853

Europe PMC DOI

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a decreasing trendno p-value reported

an increasing trendno p-value reported

Clustering analysis results show that ABO blood groups divide into four regions from north to south in China, and reveal that the r [O] gene shows an increasing trend from North to South, and conversely the q [B] gene exhibited a decreasing trend at these coordinates.

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