title: [Trisomy 21 caused by 21/21 tandem translocation in the descendant of a mother with (13,14) robertsonian translocation].
mesh_terms: D002648:Child; D002901:Chromosomes, Human, 13-15; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D014178:Translocation, Genetic
vernacular_title: Trisomie 21 par translocation 21/21 en tandem dans la descendance d'une mère porteuse d'une translocation trob(13,14).