Mosaicism for trisomy 21 and ring (21) in a male born to normal parents: A case report
Keywords: تریستومی 21; r (21); ring (21); hTERT; human Telomerase Reverse Transcriptase; TRF2; Telomeric Repeat-binding Factor 2; IgG; Immunoglobulin G; FITC; Fluorescein isothiocyanate; DS; Down syndrome; AD; Alzheimer disease; GTG; G-banding with Trypsin and Giemsa; ACA; Acro