A: The variant NC_000020.11:g.63438712dup in gene KCNQ2 is classified as 'not_provided' for Seizures,_benign_familial_neonatal,_2. Molecular consequence: SO:0001589: frameshift_variant. Variant type: Duplication. Disease database links: MONDO:MONDO:0007366,MedGen:C1852581,OMIM:121201,Orphanet:1949. Review status: no classification provided.