Select a syndrome above to view details.
Cytoband data: UCSC GRCh38 (cytoBand.txt, public). Real karyotype image: NHGRI (public domain).
Dosage curation: ClinGen Dosage Sensitivity Map. Clinical features and frequencies are simplified
for teaching — consult standard references (ISCN 2020, Thompson & Thompson, OMIM) for diagnostic work.