A: The variant NC_000020.11:g.38497420C>T in gene RALGAPB is classified as 'Uncertain_significance' for Marfanoid_habitus_and_intellectual_disability. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN263130. Review status: criteria provided, single submitter.