A: The variant NC_000019.10:g.48703560C>T in gene FUT2 is classified as 'Conflicting_classifications_of_pathogenicity' for Bombay_phenotype|Familial_Otitis_Media|VITAMIN_B12_PLASMA_LEVEL_QUANTITATIVE_TRAIT_LOCUS_1. Molecular consequence: SO:0001587: nonsense,SO:0001619: non-coding_transcript_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C1859408,OMIM:616754|.|MedGen:C2674252,OMIM:612542. Review status: criteria provided, conflicting classifications.