A: The variant NC_000020.11:g.37999220C>T in gene TTI1 is classified as 'Likely_pathogenic' for Neurodevelopmental_disorder_with_microcephaly_and_movement_abnormalities|Abnormal_brain_morphology. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0957531,MedGen:C5830624,OMIM:620445|Human_Phenotype_Ontology:HP:0012443,MedGen:C4021085. Review status: criteria provided, single submitter.