A: The variant NC_000020.11:g.63439644G>C in gene KCNQ2 is classified as 'Likely_pathogenic' for Seizures,_benign_familial_neonatal,_1|KCNQ2-related_disorder|Complex_neurodevelopmental_disorder. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0007365,MedGen:C3149074,OMIM:121200,Orphanet:1949|MedGen:CN169299|MONDO:MONDO:0100038,MedGen:C5568766,Orphanet:528084. Review status: criteria provided, single submitter.