A: The variant NC_000022.11:g.37973721_37973740dup in gene SOX10 is classified as 'Likely_pathogenic' for Waardenburg_syndrome_type_1|not_provided. Molecular consequence: SO:0001589: frameshift_variant,SO:0001627: intron_variant. Variant type: Duplication. Disease database links: MONDO:MONDO:0008670,MedGen:C1847800,OMIM:193500,Orphanet:894|MedGen:C3661900. Review status: criteria provided, single submitter.