A Novel ABO*O.01.02–B.01 Hybrid Allele with a c.28+1G>A Variation Causing the Bel Phenotype

Key Points

• The research aims to identify and characterize a novel hybrid allele associated with the Bel phenotype.
• Genetic analysis of blood samples
• Identification of hybrid alleles
• Assessment of phenotypic expressions
• A new hybrid allele ABO*O.01.02–B.01 was identified
• The allele features a specific c.28+1G>A variation
• This variation contributes to the Bel phenotype expression