A: The variant NC_000019.10:g.39507329G>A in gene DLL3 is classified as 'Benign/Likely_benign' for Spondylocostal_dysostosis_1,_autosomal_recessive|not_provided|DLL3-related_disorder. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0020692,MedGen:CN032975,OMIM:277300,Orphanet:2311|MedGen:C3661900|.. Review status: criteria provided, multiple submitters, no conflicts.