{"id":4071,"date":"2026-02-22T10:36:40","date_gmt":"2026-02-22T10:36:40","guid":{"rendered":"https:\/\/ifx0.com\/?p=4071"},"modified":"2026-02-22T10:36:57","modified_gmt":"2026-02-22T10:36:57","slug":"uk-biobank-related-common-questions-with-answers","status":"publish","type":"post","link":"https:\/\/ifx0.com\/index.php\/2026\/02\/22\/uk-biobank-related-common-questions-with-answers\/","title":{"rendered":"UK biobank and blood type associations"},"content":{"rendered":"\n

there is a substantial and rapidly growing body of research using UK Biobank data to study blood type and haplotype associations with health and disease. The availability of genetic data for ~500,000 participants has enabled researchers to move beyond simple serological blood typing to precise genetic determination of ABO alleles and haplotypes<\/strong>, revealing nuanced relationships with a wide range of clinical outcomes.<\/p>\n

🔬 How Blood Type Haplotypes Are Determined in UK Biobank<\/h2>\n

Researchers use specific single nucleotide polymorphisms (SNPs) in the ABO gene on chromosome 9q34.2<\/strong> to genetically infer blood group status . The key SNPs include:<\/p>\n

\n
\n
\u00a0<\/div>\n
\u00a0<\/div>\n<\/div>\n\n\n\n\n\n\n\n
SNP<\/strong><\/th>\nRole in Blood Type Determination<\/strong><\/th>\n<\/tr>\n<\/thead>\n
rs8176719<\/strong><\/td>\nA deletion at this position indicates the O haplotype<\/td>\n<\/tr>\n
rs8176746<\/strong><\/td>\nA T allele at this SNP indicates the B haplotype<\/td>\n<\/tr>\n
rs505922<\/strong><\/td>\nUsed in combination with others to determine haplotypes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Using these markers, participants can be classified into:<\/p>\n