title: Trisomy 9 associated with an enlarged 9qh segment in a liveborn.
abstract: This report describes the third case of a complete trisomy 9 in a liveborn infant. A tentative explanation for the origin of a "very large" h-segment which was not present in either parent of the proposita is put forward.
mesh_terms: D000015:Abnormalities, Multiple; D002906:Chromosomes, Human, 6-12 and X; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D014314:Trisomy